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leva [86]
3 years ago
14

1. Gases are made up of molecules which are relatively far apart.

Chemistry
1 answer:
bulgar [2K]3 years ago
6 0
The answer is A) 1...
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The monatomic ions of Groups 1A(1) and 7A(17) are all singly charged. In what major way do they differ? Why?
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<u>Answer:</u> Group 1 ions are known as cations and Group 17 ions are known as anions.

<u>Explanation:</u>

Ions are formed when an atom looses or gains electrons.

If an atom gains electrons, it leads to the formation of negative ions known as anions. <u>For Example:</u> Fluorine is a Group 17 element which gains 1 electron to form F^- ions.

If an atom looses electrons, it leads to the formation of positive ions known as cations. <u>For Example:</u> Sodium is a Group 1 element which looses 1 electron to form Na^+ ions.

Hence, group 1 ions are known as cations and Group 17 ions are known as anions.

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