Science, asked by jatinsonone199, 3 months ago

What is perioddic in the variations of valency​

Answers

Answered by truptiprabhu125
1

Explanation:

Valency in the periodic table across a period first increases and then decreases. There is no change going down a group.

However, this periodic trend is sparsely followed for heavier elements (elements with atomic number greater than 20), especially for lanthanide and actinide series.

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