Question

3.
The electronic configuration of element X, Y and Z are given?
a) X= 2
b) Y = 2,6
c) Z= 2, 8, 2
(1) Which element belongs to second period? (ii) Which element belongs to second group?
(ili) Which element belongs to 18th group? (iv) Write these valancy & block name.​

Answer 1

Answer:

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Answer 2

Explanation:

1. Y
2. Z
3. X
4. X. Valency=0, s-block

Y valency =2,p-block

Z Valency=2,s-block