Question

Choose the incorrect pair.
a) Valency one- Alkali metals
b) 7 electrons in outermost shell - Halogen
c) Zero group - group 18
d) Mettaloid - Carbon​

Answer 1

D) is a wrong pair plzz mark me as brainliest✌️✌️

Answer 2

7 electrons in outermost shell- Halogen

Is correct answer

I am sure this will help you