Question

Why isn’t there anyone helping for chemistry I need this by literally tomorrow morning before 8:30 ;-;

4.) Draw XY3 where X has 5 valence electrons and Y has 7 valence electrons
5.) Draw AB2 where A has 2 valence electrons and B has 7 valence electrons.

Answer 1

Solution
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Correct option is D)
XY
3
​
is formed by covalent bonding in its atoms when X is short of three electrons to complete its shell while Y atom is short of one electron to fill its shell. Three Y atoms share its electrons with X forming three X−Y covalent bond. Hence, the formula of the compound formed is XY
3
​
.