Question

A.Give reasons for the following.
1. A radical cannot exist freely.
2. The valency of an element can never be a fraction
3. Hydrogen has a valency of 1.​

Answer 1

Answer:

1. A radical cannot exist freely because. it needs to gain or lose electrons

Explanation:

1. Valency is the number of electrons donated or accepted by the atoms of an element. Electrons are donated or accepted as a whole number, but they cannot be donated or accepted in a fraction
2. Hydrogen is a unique atom because it has only two spots in its outermost electron level. ... Hydrogen's valence number is one because it has only one valence electron and needs only one shared electron to fill its energy levels. This means it can bond with many elements.
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