Question

2.
Write the valency of Hydrogen, Neon, Sodium and cloride?
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Answer 1

Explanation:

Hydrogen H 1

Neon 10 0

Sodium 11 1

Chlorine 17 1

Answer 2

The valencies are as follows:

Hydrogen- 1

Neon - 0

Sodium - 1

Chlorine- 1

• The valency of an element is the number of electrons present in the outermost shell of the element and are capable of forming bonds with other elements.
• Thus valency can be defined as the power of a particlular element to combine with other elements.
• Or simply it can also be defined as the capability of an element to react with other elements.