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Genrish500 [490]
4 years ago
9

Which element has exactly five electrons in the highest principal energy level (the outer shell)?

Chemistry
1 answer:
kap26 [50]4 years ago
4 0
Boron (B) has 3 electrons in the outer shell.
Barium (Ba) has 2 electrons.
Phosphorus (P) has 5 electrons.
Manganese (Mn) has 2 electrons.

The answer is C) P (phosphorus).
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Why does hcl conduct electricity with water but not with chloroform
Yuliya22 [10]

Answer:

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Explanation:

8 0
2 years ago
42 Which statement explains why a CO2 molecule is nonpolar?(1) Carbon and oxygen are both nonmetals.
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7 0
3 years ago
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Describe the redox reaction. Check all that apply 2AI(s) + 3ZnCI2(g) → 3Zn(s) + 2AICI3(aq).
Inga [223]

Answer:

Zinc is reduced.

The oxidation number of chlorine does not change.

Aluminum is oxidized.

Explanation:

  • For the reaction:

<em>2AI(s) + 3ZnCI₂(g) → 3Zn(s) + 2AICI₃(aq). </em>

<em></em>

  • For the elements in the reactants side:

Al has (0) oxidation state and converted to (+3) oxidation state in the products (AlCl₃), which means Al is oxidized and it is the reducing agent.

So, we can check that: Aluminum is oxidized.

Zn has the oxidation state (+2) in the reactants side (ZnCl₂) and converted to (0) in the products side (Zn), which means that Zn is reduced and it is the oxidizing agent.

So, we can check that: Zinc is reduced.

<em>and can not check: Zinc is the reducing agent.  </em>

<em />

The oxidation state of Cl does not change, it is the same in both sides (-1).

So, we can check: The oxidation number of chlorine does not change.

<em>and can not check: Aluminum atoms transfer electrons to chlorine atoms. </em>

<em />

  • So, the choices will be:

<em>Zinc is reduced.</em>

<em>The oxidation number of chlorine does not change.</em>

<em>Aluminum is oxidized. </em>

4 0
4 years ago
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What is it called when two or more atoms combine and are held together 2 poin<br> by a chemical bond
Tamiku [17]

Answer:

Covalent bonds

Explanation:

7 0
3 years ago
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What happens to liquid when it releases enough energy
Lelechka [254]
When a liquid releases enough energy<span>. the </span>liquid<span> freezes, changing to a solid.

Hope this answer helps! feel free to ask any additional questions :)</span>
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4 years ago
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