Q.9. The electronic configurations of three elements X,
Y and Z are X-2,8; Y-2, 8, 7 and 2-2,8,2 Which
of the following is correct?
(a) X is a metal
(b) Y is a metal
(c) Z is a non-metal
(d) Y is a non-metal and Z is a metal
INCERT Exemp.
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Answer:
please mark me as brainliest
Answered by
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Answer:
I am not sure . I think the answer is . (D) Y is non-metal and Z is a metal
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