Which of the following contain elements in the solid, liquid and gas phases at STP? · Halogens · Alkali metals · Alkaline earth metals · Noble gases · Lanthanides.

Answers

Answer 1

The only group of elements that contain elements in the solid, liquid, and gas phases at STP (standard temperature and pressure) are the noble gases.

Noble gases are a group of elements that include helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). At STP, helium and neon exist only as gases, while argon, krypton, and xenon exist as both gases and liquids.

Radon is the only noble gas that exists as a solid at STP, although it is a radioactive element and is not commonly found in nature.

Halogens, alkali metals, alkaline earth metals, and lanthanides do not contain elements in all three phases at STP.

Halogens are a group of nonmetal elements that include fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). At STP, fluorine and chlorine are gases, bromine is a liquid, and iodine and astatine are solids.

Alkali metals are a group of elements that include lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr). At STP, all alkali metals exist only as solids or liquids, depending on the specific element.

Alkaline earth metals are a group of elements that include beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). At STP, all alkaline earth metals exist only as solids.

Lanthanides are a group of elements that include elements 57 to 71 in the periodic table, such as lanthanum (La), cerium (Ce), and europium (Eu). At STP, all lanthanides exist only as solids.

Therefore, the correct answer is Noble gases.

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Answer 2

The only group that contains elements in solid, liquid, and gas phases at STP (standard temperature and pressure) is the halogens. At STP, fluorine and chlorine are gases, bromine is a liquid, and iodine is a solid. Alkali metals, alkaline earth metals, noble gases, and lanthanides all have elements that are only in the solid or gas phase at STP.


At STP (standard temperature and pressure), the group of elements that contain elements in the solid, liquid, and gas phases are the Halogens. In this group, chlorine (Cl) is a gas, bromine (Br) is a liquid, and iodine (I) is a solid. The other groups mentioned, such as alkali metals, alkaline earth metals, noble gases, and lanthanides, do not have elements in all three phases under STP conditions.

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Related Questions

If the normal body cells of an organism each contain 36 chromosomes, how many chromosomes would be found in a gamete produced by that organism?

Answers

Gametes are haploid cells because they contain half the number of chromosomes contained in other body cells therefore if the normal body cell of an organism contains 36 chromosomes ( 18 pairs ) the number of chromosomes that will be in its gametes are ;
36 / 2 = 18 chromosomes
There should be 23 chromosomes in a gamete

(WORTH 30 POINTS!!!) Choose the answer that best describes the geologic process that contributes to the formation of fault-block mountains. A. The Earth's crust is pushed together which tilts layers of rock on their side producing steep scarps. B. The Earth's crust is pulled apart creating deep folds and then pushed together generating steep scarps. C. The Earth's crust stretched from swelling underneath and vertical movement by blocks generates steep scarps. D. The Earth's crust is pushed together which forces up blocks vertically creating steep scarps.

Answers

B) The Earth's crust is pulled apart creating deep folds and then pushed together generating steep scarps to create fault-block mountains

Answer:

B

Explanation:

dna partially unwinds as the hydrogen bonds between complementary bases are broken. the enzyme responsible for this is: group of answer choices

Answers

The enzyme responsible for partially unwinding DNA by breaking hydrogen bonds between complementary bases is helicase.

By unraveling DNA's double helix shape, the enzyme helicase contributes significantly to DNA replication and transcription. It attaches to the DNA molecule and moves along the DNA strand by releasing hydrogen bonds between complementary base pairs and splitting the two strands of the double helix with the help of energy from ATP hydrolysis. As a result, a replication fork is formed, enabling the replication or transcription of DNA into RNA. In order to provide repair enzymes access to damaged DNA, helicase must first unwind the affected areas of the DNA. Without helicase, transcription and DNA replication are not feasible, and cells are unable to proliferate or do other necessary tasks.

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What is Kingdom Monera?

Answers

Answer:

Monerais a kingdom that contains unicellular organisms with a prokaryotic cell organization (having no nuclear membrane), such as bacteria.They are single-celled organisms with no true nuclear membrane (prokaryotic organisms).

Explanation:

On your first research mission you make an amazing discovery by finding a new species living in the hostile environment of the Sahara desert. After observing it carefully you determine that it is not an autotroph, it is multicellular, and it does not contain any chitin. What is the best classification for it

Answers

Answer:

Animalia

Explanation:

A multicellular organism is an organism composed of two or more cells. Multicellular organisms include animals (i.e., organisms from kingdom Animalia), plants, and most fungi. Moreover, an autotroph is a living organism that can produce its own food by using materials from inorganic sources (e.g., water, carbon dioxide, etc); whereas a heterotroph is an organism that cannot produce its own food and thereby needs to eat other organisms, like plants or animals, to survive. Multicellular autotrophs are typically plants; whereas multicellular heterotrophs include all animals, fungi and some parasitic plants. Finally, chitin is a polysaccharide (polymer) of N-acetylglucosamine, which is found in the cell wall of fungi, as well as in the exoskeleton of some animal groups such as, for example, insects, crustaceans, etc.

How does the evolution of resistance in bacteria affect humans

Answers

Answer:

Bacteria, not humans or animals, become antibiotic-resistant. These bacteria may infect humans and animals, and the infections they cause are harder to treat than those caused by non-resistant bacteria. Antibiotic resistance leads to higher medical costs, prolonged hospital stays, and increased mortality.

Explanation:

4. Carrying capacity is a concept that:
A. applies to humans as well as plants and other animals
B. does not depend upon the amount of area in question
C. can be ignored by humans
D. determines the load a bridge can handle

Answers

Carrying capacity is a concept that applies to humans as well as plants and other animals (option A).

What is carrying capacity?

Carrying capacity is the number of individuals of a particular species that an environment can support.

Carrying capacity also describes the number of people, animals, or crops which a region can support without environmental degradation.

This applies to biological species that can be sustained by that specific environment, given the food, habitat, water, and other resources available.

Therefore, it can be said that option A is correct about carrying capacity.

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HELPPPP!!! ASAPPPPP!!!

Which of the following includes an example of each type of symmetry and asymmetry?
jellyfish, sea anemones, and sponges
sponges, jellyfish, and turtles
turtles, jellyfish, and pelicans
sponges, pelicans, and turtles

Answers

Answer:

option A IS THE ANSWER : jellyfish, sea anemones, and sponges

Explanation:

IF IT IS CORRECT PLEASE MARK AS BRAINLIEST

The option that includes an example of each type of symmetry and asymmetry is jellyfish, sea anemones, and sponges. Thus, the correct option for this question is A.

What is Symmetry?

In biological science, symmetry may be defined as the repetition of the parts in an animal or plant in an orderly fashion. It refers to a correspondence of body parts, in size, shape, and relative position, on opposite sides of a dividing line or distributed around a central point or axis.

There are four types of symmetry that occur among animals: spherical, radial, biradial, and bilateral. While Asymmetry means the absence of symmetry as the body of the organism cannot be divided into parts along any one plane. Jellyfish and sea anemones possess radial symmetry.

Therefore, jellyfish, sea anemones, and sponges represent an option that includes an example of each type of symmetry and asymmetry.

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How many generations are in this pedigree chart?

A) 4
B) 5
C) 6
D) 7

How many generations are in this pedigree chart?A) 4B) 5C) 6D) 7

Answers

I think it ..................D)7

what do the genera clostridium, staphylococcus, and lactobacillus have in common?

Answers

The genera Clostridium, Staphylococcus, and Lactobacillus all belong to the phylum Firmicutes. They are all gram-positive bacteria and are all part of the human microbiome.

What are the similarities between Clostridium, Staphylococcus, and Lactobacillus?

One of the main similarities between these genera is their ability to produce lactic acid. Clostridium and Lactobacillus are both known for their ability to ferment sugars into lactic acid, while Staphylococcus can also produce lactic acid under certain conditions. This ability is important for the preservation of food and the production of certain fermented foods, such as yogurt and pickles.

Another similarity between these genera is their ability to form endospores. Clostridium and Staphylococcus are both capable of forming endospores, which are a type of dormant, resistant cell that can survive harsh conditions. Lactobacillus does not form endospores, but it does form a similar structure called a microcapsule, which can also help it survive in unfavorable conditions.

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Which resource is renewable?
Responses

petroleum


oil


wind


coal

Answers

Answer: Wind

Explanation:Wind is a renewable resource since there is an unlimited supply of it.

Describe the induced fit model.

Answers

23 in waist
30 in bust
36 in hips
15 in thighs
You mean the induced fit model of enzymes right?

This means that
- the way the enzyme is folded is specific for 1 particular type of substrate.
- after that specific substrate binds to the enzyme, the active centre can reform into the correct fit (induced fit)

1. comparative
2. independent variable
3. dependent variable

Answers

an independent variable is something that does not depend on something else in an experiment. a dependent variable does depend on another thing in an experiment, i’m not too sure for comparative.
An independent variable is exactly what it sounds like. It is a variable that stands alone and isn't changed by the other variables you are trying to measure. For example, someone's age might be an independent variable.
The dependent variable is something u are measure ( for example temperature)
Not sure about the other!

Many rain forest plants are prone to developing fungal infections on their leaves. Fungi can grow rapidly in moist environments, and a serious infection can kill plants

Answers

Answer:

Resistance plants increase in number whereas non-resistant plants decreases.

Explanation:

The environment of rain forest is suitable for the fungal growth because of the presence of humidity in the environment and we know that fungi needs moist places for its growth. These fungus attached on the leaves and takes nutrients from that plant that leads to the stunted growth and many cases death of the plant occurs. Some plants have no effect of this fungus due to the presence of resistance in them so if the fungus spreads in the whole forest so the plants which are prone to these fungal infections eliminated from that environment and resistant plants are increase in number.

Answer:

Part B

Many rain forest plants are prone to developing fungal infections on their leaves. Fungi can grow rapidly in moist environments, and a serious infection can kill plants. One rain forest plant species has a genetic variation that affects its leaf structure. The traits and the descriptions of the plant’s leaves are listed in the chart.

Explanation:

What are 5 stages of protein synthesis?

Answers

Answer:

Activation of amino acids

Transfer of amino acids to tRNA

Initiation of a polypeptide chain

Chain Termination

Protein translocation

5. How do small changes in DNA affect human traits?

Answers

Answer:

Explanation: Changes in a gene's DNA sequence can change proteins by altering their amino acid sequences, which may directly affect one's phenotype. Molecular research techniques have shown a direct link between genotype and phenotype.

if you were an importer of goods to China, what age group(s) do you think you would focus on the most? Why?

if you were an importer of goods to China, what age group(s) do you think you would focus on the most?

Answers

Answer: probably ages 15-39.

Explanation:

Companies focus on what age group has the most amount of people and seeing that ages 15-39 have the highest rates, they would choose that. Hope this helped

What are the filamentous mats formed by most fungi called?
A. Haustoria
B. Arbuscles
C. Mycelia
D. hyphae

Answers

Mycelia are the filamentous mats that the majority of fungi produce. So the correct option is C . The tiny branching structures that resemble threads, or hyphae, come together to form mycelium.

What do the majority of fungi's filamentous mats consist of?

They are distinguished by hyphae, which are vegetative filamentous cells. The thallus (vegetative body) of the fungus is made up of mycelium and consists of a mass of hyphae.

Which class of fungi also goes by the name filamentous fungi?

Whereas dematiaceous fungi are yeast or filamentous fungi that are darkly colored, hyaline hyphomycetes, such as Aspergillus fumigatus, are septate molds that lack pigment in their hyphae.

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answer pls
Describe the results from the following base mutations, substitution, insertion, and deletion.

Answers

Answer:

The results from the following base mutations --- substitution, insertion, and deletion are :

base substitution causes no change in the length of DNA. Base insertion causes an increase in the length of the DNA. Base deletion causes a decrease in the length of the DNA.

Explanation:

What is base substitution :

In base substitution form of mutation, one nucleotide is simply replaced or transformed into another nucleotide. This may occur due to replication or transcription error, due to mutagenic exposure, etc. For example A to T,  G to C, etc.

What is base insertion:

Here, one or more nucleotides get added to a DNA, caused due to mutagenic exposure. Also known as addition, this may occur during recombination when the cell undergoes meiotic cell division.

What is base deletion :

In base deletion, one or more nucleotides are deleted from the DNA stand, under the effect of mutagens or a wrongly operating recombination machinery.

What are the effects of base mutations:

In light of the change in the length of the DNA strand,base substitution causes no change in the length of DNA. Base insertion causes an increase in the length of the DNA. Base deletion causes a decrease in the length of the DNA.All forms of these mutations, unless otherwise repaired by the inbuilt cellular DNA repair mechanisms, leads to the production of DNA  strand different from the original DNA, often producing a defective polypeptide or no functional polypeptide. Such changes are often heritable, and may even be lethal for an organism.

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From what you have read in this chapter, would you advise family and friends to limit the amount of time they spend talking on their cell phones?No, because the peer-reviewed study cited multiple concerns, including that it did not distinguish specific types of cancers and no dose-response relationship was consistently found

Answers

No, because the peer-reviewed study raised a number of issues, including the fact that cell phones failed to distinguish between different forms of cancer and that no reliable dose-response association could be established.

A scholarly publication is another term that may be used to describe a peer-reviewed article. In order to maintain academic scientific excellence, the peer-review process involves having other specialists in the same field (peers) examine an author's scholarly work, study, or ideas.

Visit the journal website, which is one of the finest sites to learn if a journal is peer-reviewed. The majority of publishers have a website for each journal that provides information about the journal, how authors can submit articles, and how the publishing process works.

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Correct Question:

From what you have read in this chapter, would you advise family and friends to limit the amount of time they spend talking on their cell phones?

The chemical energy stored in ATP during photosynthesis is released during the dark phase to

a) produce O2
b) produce CO 2
c) release energy for the "light"
d) produce a carbohydrate from CO 2

Answers

Answer:

A) produce O2

Explanation:

This is the exchange cycle between the plants and animals. Animals give off carbon dioxide (CO2) as an excess waste while the plants give off oxygen (O2).

Produce O2 took the assignment and got it right :)

Using the Punnett square diagrams, explain in which generation the parents are purebred, and which generation the parents are hybrids? Explain how you made your determination.
Answer the questions using at least two or three complete sentences.
Punnett

Using the Punnett square diagrams, explain in which generation the parents are purebred, and which generation

Answers

In the F1 generation, the parents are Purebred. When looking at the Punnett square diagrams, the genetics of the parents are GG and gg. In the F2 generation the parents are Hybrid. This is because when looking at the Punnett square diagrams, the genetics of the parents are Gg and Gg. Parents who are opposite purebreds cannot have offsprings that are purebred and instead will have hybrid offsprings.

in plants the process of respiration takes place in:
A) Only in the cells of the leaves
B) All the cells in a plant
C) Only in the cells of the roots​

Answers

Answer:

I think its A.

Explanation:

Under which of the following circumstances would the allele frequencies of
two populations be similar?
A. If there is a large amount of gene flow
B. If the selective pressures are different
C. If there is a high mutation rate
D. If there is a large amount of genetic drift

Answers

Hello User!

I think the answer is..

Answer:

A

Explanation:

The relative change in frequency of allele is called genetic drift. Genetic drift is basically observed in a population of small size where there are high chances of loss of allele that occur in irregular manner. Genetic drift continues till the allele  (involved in the drift) is either lost or becomes the only gene with in the population.  

If I'm wrong I'm sorry If it not A then it D

Enzymes transferring electrons at the start of the ETS are referred to as ________, whereas enzymes transferring electrons to the terminal electron acceptor are designated as ________.Question 40 options:a) sulfatases; nitrogenasesb) lyases; hydrolasesc) permeases; proton pumpsd) dehydrogenases; oxidasese) oxidases; dehydrogenases

Answers

Answer:

dehydrogenases; oxidases

Explanation:

if all cells contain the exact same copy of DNA, how do they become specialized?

if all cells contain the exact same copy of DNA, how do they become specialized?

Answers

Even if all the cells have the same DNA they biochemical function are different, that's because differents sets of genes must be turned on and off in each cell type by the action of enzymes and other molecules. Each cell have the same 20,000 or so genes but they are biochemically selected by the action of molecules as hormones and chemical signaling. Therefore, different cells use different parts of the DNA code as directions.

how do the x and y chromosomes differ

Answers

Answer:

see the attached file! (≡^∇^≡)

how do the x and y chromosomes differ
how do the x and y chromosomes differ

What are the characteristics on the side of the diagram called?Characteristics: amniotic egg, tetrapod, vertebrae, develop from blastula, common ancestor.

What are the characteristics on the side of the diagram called?Characteristics: amniotic egg, tetrapod,

Answers

The diagram in the picture is a cladogram, a diagram that depicts rellationships between different groups of organisms, reconstructing evolutionary history. The cladogram is composed of nodes, clades and roots (initial ancestor, common to all).

Example: AN = maxN1
■ If a population of 200 individuals and a
population of 500 individuals both had the
same intrinsic rate of increase, which
population would grow faster?

Answers

The population of 500 individuals would grow faster because their population size is larger, and therefore their rate of increase is greater.

What is population in biology?

Population in biology is the number of individuals of a species living in a particular area at a given time. It is important to study population ecology in order to understand how species interact with their environment and how they will be affected by changes in it. Population ecology studies how populations change in size, density, and distribution over time, as well as how they interact with other species and their environment. This includes looking at factors such as birth and death rates, competition, predation, and disease. Population ecology also examines how the environment affects the genetic makeup of a species and how this affects their ability to reproduce and survive.

This larger population size gives them the potential to increase more rapidly than a smaller population size. Additionally, the larger population size has the potential to increase more quickly due to natural selection, as more individuals can compete for resources and favor the individuals with the best traits. Therefore, the population of 500 individuals would grow faster than the population of 200 individuals due to their larger population size and increased potential for natural selection.

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which are unable to perform the role of producers in the environment? question 5 options: photosynthetic bacteria. heterotrophic bacteria. cyanobacteria. protista. choices c and d

Answers

The organisms that are unable to perform the role of producers in their environment are cyanobacteria and protista. Option 3.

Roles of producers

Cyanobacteria, also known as blue-green algae, are photosynthetic bacteria that can perform the role of producers in the environment. They are capable of using sunlight to convert carbon dioxide and water into organic compounds through the process of photosynthesis.

Protista, which is a diverse group of eukaryotic microorganisms, can include both autotrophic and heterotrophic organisms. Some protists, such as algae, are photosynthetic and can act as producers in the environment. However, there are also heterotrophic protists that rely on consuming organic matter rather than producing their own food.

Therefore, cyanobacteria and protists as a whole cannot be categorized as unable to perform the role of producers.

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