Chemistry · Periodic Classification
क्रमशः परमाणु संख्या 15, 16, 17 और 18 वाले तत्व कौन-से हैं?
- 1P, S, Ar और Cl
- 2P, S, Cl और Ar✓
- 3S, P, Cl और Ar
- 4Ar, Cl, S और P
सही उत्तर देखें
P, S, Cl और Ar
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