Science, asked by shernii33, 1 year ago

what is the periodic trend in the variation of valency while going down a group? explain your answer with references to group 1 , group 2 ,group 18

Answers

Answered by satya22258
0
increases ......hope it helps you
Answered by dryash1009
2

Answer:

Explanation:

(i) All the elements in a group have the same number

of electrons in the outermost shell. Therefore,

down the group, valency remains the same.

(ii) Valency of group 1 elements is 1 and that of group

2 elements is 2.

(iii) The valency of group 18 elements is zero because

they are noble gases with completed outermost

shell.

Similar questions