How do these properties vary in period and group? 1) Valency 2) Atom – InterviewSolution

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How do these properties vary in period and group? 1) Valency 2) Atomic radius 3) Ionisation energy 4) Electron affinity 5) Electronegativity 6) Electro-positivity 7) Metallic nature 8) Non-Metallic nature.

Answer»

Periodic properties	Trend in
Periodic properties	Group From tp to bottom	Periods From left to right
1. Valency	Same	Does not follow trend
2. Atomic radius	Increases	Decreases
3. Ionisation energy	Decreases	Increases
4. Electron affinity	Decreases	Increases
5. Electronegativity	Decreases	Increases
6. Electropositivity	Increases	Decreases
7. Metallic nature	Increases	Decreases
8. Non- metallic nature	Decreases	Increases

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