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4 years ago

Summarize the relationship between an electron's energy level and its location in an atom

Chemistry

1 answer:

FromTheMoon [43]4 years ago

6 0

Answer:

The further an electron is from the nucleus. the greater its energy level.

Explanation:

When an electron is close to the nucleus, it is at as low an energy level as it can get.

We must put energy into an electron to pull it away from the attraction of a nucleus.

So, electrons that are further from the nucleus are at higher energy levels.

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Vikki [24]

D) refracted
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3 years ago

Metals react with oxygen to give oxides with the general formula MxOy. What is a balanced chemical equation for the reaction of

katovenus [111]

Answer: $4Fe+3O_2\rightarrow 2Fe_2O_3$

Explanation:

For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.

Here iron is having an oxidation state of +3 called as $Fe^{3+}$ cation and oxide $O^{2-}$ is an anion with oxidation state of -2. Thus they combine and their oxidation states are exchanged and written in simplest whole number ratios to give neutral $Fe_2O_3$ .

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

$2Fe+3O_2\rightarrow 2Fe_2O_3$

8 0

3 years ago

Read 2 more answers

In Chromium-53, the "53" represents the

alina1380 [7]

Answer:

The differemt isotopes that differ in atomic mass

Explanation:

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3 years ago

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How much a material takes time to burn?

Nat2105 [25]

(a)- Time

(b)- Heat produced(i guess)

(c)- Material

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5 0

3 years ago

How is a polymer like a chain of paper clips

velikii [3]

A polymer is a really long chain of smaller molecules (monomers). It's similar to a chain of paper clips because all of the little monomers will attach to each other, forming a long strain.

3 0

3 years ago