Question

10. If two elements A and B with their number of protons 17 and 7 respectively, What would be the
valence electrons for both the elements?. *
(1 Point)
(a) 5,7
(6) 7,5
(677
(d) 5,5

Answer 1

Answer:

Answer

XY

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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

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