Chemistry, asked by arman2672005malik, 5 months ago

Write down the trends in modern periodic table ( both in groups and periods) for following-
- Valency
- Atomic size

Answers

Answered by ncppaul
4

Answer:

1. a) Valency with respect to hydrogen: Firstly increases then decreases through a period and remain same along a group.

b) Valency with respect to oxygen: Increases through a period and remain same along a group.

2. Atomic size decreases from left to right i.e. along period and increases from top to bottom i.e. along a group.

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