Which set contains only covalently bonded molecules?

CHEMISTRY · Single correct · A Level · Chemistry · Bonding · Bonding

Problem

Which set contains only covalently bonded molecules? (1)

\text{BCl}_3

,

\text{SiCl}_4

,

\text{PCl}_3

(2)

\text{NH}_4\text{Br}

,

\text{N}_2\text{H}_4

,

\text{HBr}

(3)

I_2

,

H_2S

,

NaI

(4)

Al

,

O_3

,

As_4

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