Question

How will the tendency to gain electrons change as we go from left to right across a period? why?​

Answer 1

Answer:

tendency to gain electron increses as we go left to reght across a period .

The reason is that as we go towards right non metalic characteristic of elements increases and hence increases the electron gaining capacity .

one more reason can be given ie on the basis of ocet rule . As its clearly noticeable that as we go left to right across period the no of electrons in the valence shell increases and hence lossing electron becomes difficult at the same time gaining electron to complete octet becomes easier .

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Answer 2

Answer:

Explanation:

Tendency to gain electrons increases from left

to right in a period because atomic size goes on

decreasing and effective nuclear charge increases.