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mr Goodwill [35]
3 years ago
14

Which is the correct Lewis structure for OBr?

Chemistry
1 answer:
____ [38]3 years ago
3 0

Answer:Covalent compound (I,C,W,H are nonmetals)

Valence of I: 7

Valence of C (C must form an octet): 4

Valence of W: 6

Valence of H: 1

Total valence electrons: 19

Molar mass: 324.77 g/mol

Explanation:

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When the compound is composed of two non-metals, the the bond that joins them together is called covlent bond. Otherwise, when the compound is composed of a metal and a non-metal then the bond existing between them is called ionic bond. Answer then to this problem is A. covalent bond
7 0
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Consider the balanced equation below.
Alexus [3.1K]

Answer : The mole ratios of Hydrazine to Hydrogen peroxide is 1 : 2 and

                the mole ratios of Hydrazine to water is 1 : 4.

Explanation :

The balanced chemical equation is,

N_{2}H_{4}+2H_{2}O_{2}\rightarrow N_{2}+4H_{2}O

According to the given reaction,

1 mole of Hydrazine react with the 2 moles of Hydrogen peroxide.

Therefore, the mole ratios of Hydrazine to Hydrogen peroxide is 1 : 2

And in case of Hydrazine and water,

1 mole of Hydrazine gives 4 moles of water.

Therefore, the mole ratios of Hydrazine to water is 1 : 4

5 0
3 years ago
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Diano4ka-milaya [45]

The liquids hexane and water are placed in a test tube. The test tube is stoppered, shaken, and placed in a test tube rack. The liquids separate into two distinct layers because hexane and water have different molecular polarities. The answer is number 2.

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An element's atomic number is 86. how many protons would an atom of this element have?
rusak2 [61]
The number of protons an element has is the same as the atomic number, so the element would have 86 protons.
8 0
3 years ago
An element is a pure substance in which there are how many kinds of atoms?
Ostrovityanka [42]

Answer:

One

Explanation:

An element is a pure substance in which there are only one kind of atom. Elements are distinct substances that cannot be split up into simpler substances.

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Generally, as a pure substance, the composition of an element is definite and they are homogenous in all parts.

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