Chemistry · Periodic Classification

The elements having atomic numbers 15, 16, 17, and 18, respectively, are:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Ar, Cl, S and P
2S, P, Cl and Ar
3P, S, Cl and Ar✓
4P, S, Ar and Cl

Correct answer

P, S, Cl and Ar

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The elements having atomic numbers 15, 16, 17, and 18, respectively, are:

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