Chemistry · Atomic Structure and Chemical Bonding
Which one among the following pairs of element and its characteristic is NOT correctly matched?
- 1Helium : Diatomic gas✓
- 2Chlorine : Two primary stable isotopic forms (Cl-35 and Cl-37)
- 3Carbon : Tetravalent
- 4Nitrogen : Three unpaired electrons in ground state
Correct answer
Helium : Diatomic gas
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