Electronic configuration of X is k2 L8 Mi N2, what is the period and its group and write the formula when X reacts Y with atomic number 16
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period=4
group=2
formula
x. y
2. 2
xy
group=2
formula
x. y
2. 2
xy
janvijeyanthip4jhi4:
I think its wrong
what is wrong because i did this question very carefully
please tell
Element Y's atomic num is given as 16 and how it comes as xy??
because its valency is -2 and it gain 2 electron from x and the valency of x is +2
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