An atom of neon has 8 valence electrons. What will an atom of iodine MOST likely do to be stable?
A.gain 1 electron
B.lose 1 electron
C.lose 7 electrons
D.neither gain nor lose any electrons
Final answer:
An iodine atom with seven valence electrons will most likely gain one electron to become an iodide ion (I-) and achieve a stable octet configuration. So the correct option is A.
Explanation:
An atom of iodine has seven valence electrons, which means it needs to either gain or lose electrons to achieve a full octet and become stable. According to the octet rule, atoms are more stable when they have eight electrons in their outer shell. Taking into consideration that it is energetically more feasible for an atom to gain or lose a small number of electrons to achieve a full octet, an iodine atom, with seven valence electrons, will most likely gain 1 electron to complete its outermost shell. This results in an iodide ion with a negative one charge, written as I-.
A good way for someone to identify similar substances is to measure their densities. true or false?
Someone who follows a vegan diet is most likely to have a deficiency of which nutrient?
Thank you! Someone finally understands that you don't need meat to get protein(P.S.S I am vegan and I'm only 12)! There are many proteins in plants that are waaaaay healthier like: beans, avacadoes, chickpeas, chai seeds, etc...
Absence of sweat glands affect temperature regulation of the scrotum and testicles?
what type of cloud is associated with hail
Hail is associated with cumulonimbus clouds, which are large, tall clouds that can span up to the stratosphere and are known for causing severe weather such as thunderstorms.
Explanation:The type of cloud associated with hail is the cumulonimbus cloud. These clouds are also known for producing thunderstorms, and they have a distinctive anvil shape at their tops due to high winds at higher altitudes. Hail forms when updrafts in thunderstorms carry water droplets upward into extremely cold areas of the atmosphere where they freeze into ice. The process of the water droplets being carried up and down through various levels of the storm, accumulating layers of ice, eventually results in the formation of hailstones. When the hailstones become too heavy for the updrafts to support them, they fall to the ground as hail.
What is marine biology?
What are the two basic nose styles for lineman's side cutting pliers?
Final answer:
The two basic nose styles for lineman's side cutting pliers are bypass pruners, which work like scissors for cleaner cuts, and anvil cut, where a blade cuts against a flat plate. Comfort and ease of use are important factors when choosing the right pruners, and ratchet pruners may be useful for those with a weaker grip.
Explanation:
The two basic nose styles for lineman's side cutting pliers are the bypass pruners and the anvil cut style. The bypass pruners style features two blades that operate like scissors where a thin, sharp blade slides closely past a thicker blade. This type typically provides cleaner, closer cuts. On the other hand, the anvil cut style involves a sharpened blade that cuts against a flat plate, which is good for cutting through tough materials but may not leave as clean a cut as the bypass style.
When selecting pruning tools, it's important to consider the comfort of the pruners in your hand. Test for a comfortable grip and appropriate size, and if you have difficulty using them, look into specialized tools like ratchet pruners, which require less pressure to operate.
Is the following true or false? An atom that loses electrons has a negative charge.
The statement "an atom that loses electrons has a negative charge" is absolutely false.
What are the characteristics of an atom?The characteristics of an atom are as follows:
Almost all of the atoms are solid in nature.They construct by inorganic processes.They significantly possess a specific chemical composition. They are natural, not artificial substances.An atom that tens to lose electrons has a positive charge while an atom that has the ability to accept electrons has a negative charge. For example, sodium has 11 electrons.
These electrons are filled in orbitals in scenarios 2, 8, and 1. This one electron is present in the outermost valence shell and wants to lose this in order to obtain stability. So, sodium loses this electron and becomes Na+.
Therefore, the statement "an atom that loses electrons has a negative charge" is absolutely false.
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Drinking non-potable water does not carry significant health risks. T or F
Which biome is home to more plant and animal species than any other?
A lab is performed to study the effect of pH and heat on the function of the catalase enzyme found in carrot plants. What would be considered the independent variable(s) in this lab. Select all that apply. pH temperature enzyme activity water
Answer: pH and temperature
Explanation:
In an experimental setup, an independent variable is the one which can be manipulated in an experiment the affect of such change can be observed on the dependent variable. The dependent variable is the outcome of the experimental procedure.
According to the given situation, the effect of enzyme over the carrot plants is the dependent variable and this effect can be observed due to pH and heat which can be changed or manipulated in an experiment to observe the desire effect of enzyme over the carrot plants. Hence, these two variables are independent variables.
What do fats, steroids, and waxes have in common? what do fats, steroids, and waxes have in common? (a) moderate polarity. (b) low solubility in water. (c) they occur in membranes. both (a) and (c). both (b) and (c)?
Fats, steroids, and waxes have low solubility in water, which is what they have in common. Therefore, the correct option is B.
The hydrophobic or non-polar properties of these three types of molecules prevent them from mixing well with water. Triglycerides, which are a type of fat made from glycerol and fatty acids, are important for energy storage. The unique structure of steroids, which include hormones such as testosterone and estrogen and hormones such as cholesterol, is made up of four fused carbon rings. Long-chain fatty acids linked to long-chain alcohols or other hydrocarbon molecules form waxes, which are prized for their ability to repel water.
Therefore, the correct option is B.
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Fats, steroids, and waxes all are hydrophobic and have low solubility in water, which is their common feature uniting them.
Fats, steroids, and waxes all share a common feature: they are hydrophobic and insoluble in water. This lack of water solubility is crucial for their function in biological systems. Steroids, characterized by their four linked carbon ring structure, do not closely resemble other lipids in structure but are grouped with them due to their shared hydrophobicity. Waxes also share this characteristic, often utilized by plants as a protective layer on leaves. Both steroids and waxes, along with fats, play varied but important roles in living organisms.
Although some steroids are found within membranes, such as cholesterol, and fats (as part of phospholipids) are key components of cellular membranes, waxes are not typically associated with membrane structure. Therefore, when considering the options provided, the low solubility in water is the commonality that unites fats, steroids, and waxes.
Thus, the correct answer to the question is option (b) low solubility in water.
A client, diagnosed with acute pancreatitis 5 days ago, is experiencing respiratory distress. which finding should the nurse report to the health care provider (hcp)?
Which types of foods contain which types of macromolecules? Is one type of macromolecule healthier to eat than another? Why do you think so?
An ion can be removed from an aqueous solution by 1. the formation of a gas that escapes. 2. formation of a precipitate. 3. the formation of what is essentially a nonelectrolyte. 4. all of these
The chorus in l’orfeo functions doubly, as both______ and _____.
If carbon dioxide and water were abundantly available to a heterotrophic prokaryotic cell, would it be possible for the cell to use them as a food source?
Answer:
No, it would be impossible
Explanation:
Heterotrophs are so called because they cannot synthesize their own food, they depend on an external source. The synthesis of food is unique to a particular set of organisms called AUTOTROPHS. They have the ability to capture the energy from sunlight using pigments called CHLOROPHYLL and use this energy to synthesize their food in their Chloroplast. This process is called PHOTOSYNTHESIS. Autotophs combine CO2 and H2O (water) to produce glucose (organic molecule).
Heterotrophs like animals, do not possess this ability to capture sunlight energy or fix carbon to produce their food. Hence, in an abundance of CO2 and water, their cells would be unable to utilize these molecules, as only the Chloroplast of autotophs can undergo this process.
What bodily structures look like to the naked eye is called _ anatomy?
According to Merriam dictionary, gross anatomy is a branch of anatomy that deals with the macroscopic structure of tissues and organs
Which two structures of plants and fungi perform similar functions?
1.leaves and fruiting body
2.stem and hyphae
3.root and mycelium
4.stem and fruiting body
Answer: 3. root and mycelium
Plants are autotrophic organisms, which means they utilizes sunlight, atmospheric carbon and water, to prepare their own food in the form of carbohydrates. But these plants also requires some minerals like phosphorus, magnesium, nitrogen which are needed for their proper growth and metabolism. These plants obtain these minerals by absorbing them from the soil by the roots. Fungi are saprophytic organisms, which means they derive their food by decaying and decomposing the dead plants and animal traces. These fungi have thread like structures called as hyphae. The hyphae is responsible for penetrating the dead matter and obtaining nourishment. It functions like that of roots in plants. The aggregate of hyphae is called as a mycelium .
Therefore, both root and mycelium has a function in absorption of nourishment in the plants and fungi respectively.
Typically, how many amino acids make up a protein chain?
Compare the biodiversity in an oligotrophic lake with a eutrophic lake
Oligotrophic lakes have low nutrient levels and lower biodiversity, with clear water and fewer plankton. Eutrophic lakes have high nutrient levels leading to algal blooms, which can cause oxygen depletion and disrupt aquatic life. While eutrophic lakes may have diverse ecosystems initially, their long-term health can be compromised by excessive nutrient input.
Explanation:Comparing the biodiversity in an oligotrophic lake with a eutrophic lake involves examining the differences in their ecosystems due to nutrient levels. An oligotrophic lake has low nutrient concentrations, resulting in clearer water with fewer phytoplankton. The low levels of nutrients such as nitrogen and phosphorus mean that these lakes often have less overall biological productivity and hence lower biodiversity. In contrast, eutrophic lakes are characterized by high levels of nutrients, often attributed to runoff containing fertilizers or sewage. This leads to a rapid growth of algae and phytoplankton, known as algal blooms, which may eventually result in oxygen depletion as dead algae decomposes. Consequently, eutrophic lakes often have higher initial biodiversity, but the excessive growth and subsequent oxygen depletion can lead to dead zones, significantly harming aquatic life.
For example, eutrophication in Dianchi Lake, China, caused by fertilizer pollution, led to fish kills due to oxygen depletion. This illustrates the negative impact of nutrient overload on lake ecosystems. Another impact is that deep zones in eutrophic lakes may become aphotic and unable to support photosynthetic plant life. However, in the open-water and littoral zones of lakes, sunlight promotes plant growth and supports various organisms such as fish, snails, and insects.
Explain three benefits that humans gain from "hosting" the microbial community of the human gut
What type of bond is responsible for holding two water molecules together creating the properties of water?
Do you think ex-felons should be allowed to vote? If so, under what circumstances? If not, why not?
Answer:
Should ex-felons be allowed to vote? I honestly do not see a problem with ex-felons voting. I feel like we are taking away a basic right/amendment from our citizens if we do not allow them to vote. Especially if they have already been released from prison I cannot find much reason to not allow them to vote. I think that they should be allowed to vote only if they were released from prison. I mean I don’t really understand why they cannot vote, but in conclusion I think they should be able to vote.
:p hope this helps
Explanation:
In your own words, describe how a thunderstorm develops. Be sure to include the three stages of thunderstorm development in your response.
Answer:
The development of thunderstorms takes place in three stages:
a) Cumulus stage: In this stage, warm and moist air elevates and condenses to produce a cumulus cloud at approximately 4.7 miles high.
b) Mature stage: The cloud develops more to turn into a cumulonimbus cloud at a height of 7.6 miles. At this stage, falling of raindrops, ice crystals, and in certain stages falling of hail also takes place. The lightning and thunder are common.
c) Final stage: The falling precipitation leads to a strong downdraft, and the dying out of the storm takes place as the supply of the water vapor gets used up.
In sexually reproducing animals, once fertilization of the egg takes place, the ___________ exists as a single cell until cell division begins.
A) egg
B) larva
C) sperm
D) zygote
d the awner is d, because its larva
The client is 24 weeks pregnant. how much have her daily calorie needs increased over her first trimester needs?
Most shells of marine organisms are composed of:
What percentage of infertility cases are due to a cause involving only the male partner?
By how much did carbon dioxide levels increase from 1980 too 2000