Question

if the atomic number of an element `y´ is 17 a) write the formula of the compound formed when this elements y reacts with an element z having two electrons in the outermost s subshell?​

Answer 1

Answer:

Y = chlorine

element having two electrons in the outermost subshell = Magnesium

compound formed = Magnesium chloride

MgCl2

Explanation:

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