Question

element. at no. electronic confi.

x. 11. 2,8,1
y. 17. 2,8,7



a) identify elements X and Y
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Answer 1

Answer:

X-Sodium

Y-Chlorine

Explanation:

Na-2, 8,1

Cl-2, 8,7

Answer 2

Answer:

X- Sodium

Y- chlorine

Explanation:

X-2,8,1

Y-2,8,7