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My name is Ann [436]
3 years ago
12

Describe the relationship between the radius of a cation and that of the atom from which it is formed. a. cations are much small

er than their corresponding parent b. cations are much larger than their corresponding parent c. cations are the same size as their corresponding parent d. there's no relation between the radius of a cation and that of the atom from which it is formed
Chemistry
1 answer:
koban [17]3 years ago
3 0
<h3><u>Answer;</u></h3>

Cations are much smaller than their corresponding parent

<h3><u>Explanation;</u></h3>
  • Parent atom has more electrons and thus the effective nuclear charge on each electron is less.
  • When a cation is formed electron(s) is/are lost. Thus the effective nuclear charge or simply put, the attraction of the nucleus towards the electrons increases. Therefore, due to greater pull, the nucleus pulls the shells towards it, there by reducing the size, which makes cations smaller than their corresponding parent.
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2 years ago
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How many molecules are in 3.50 moles of H2O<br>​
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Answer:

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Explanation:

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<em><u>Using cross multiplication:</u></em>

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∴ 3.5 mole of H₂O contain = (3.5 mol)(6.022 x 10²³) = 2.11 x 10²⁴ molecules.

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