Question

What do you mean by variable valency? Write two examples of elements showing variable valency.
How can an atom show variable valency?
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Answer 1

Answer:

Variable Valency is here meant by the tendency of an element to opt more than one valency

Explanation:

For example

Nitrogen , N exist as +2 , +3 , +5

Iron , Fe exist as +2 , +3

Answer 2

Answer:

Globalization, or globalisation, is the process of interaction and integration among people, companies, and governments worldwide. Globalization has accelerated since the 18th century due to advances in transportation and communication technology

Explanation:

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