Question

How would the tendency to gain electrons change as you go from left to right across a period?

Answer 1

Tendency to gain electrons increases and we go from left to right in a period because the effective nuclear charge increases and the atomic radius decreases.

Answer 2

Hey mate!!!
Here's ur answer:

The tendency to gain e- increases when we move from left to right in a period bcoz the effective nuclear charge increases and the atomic radius decreases.

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