Question

which of the following is not a half-metal? (a) Si (b) B (c) As (d)Cl

Answer 1

ANSWERS - - (C) As.. because Si--- Silicon

B--- Barium

CL - - - CHLORINE...

Answer 2

hey mate here is ur ans
bit D
Cl-chlorine, it is a non-metal
main character - electron negativity and gaseous state

all half metals or metalloids are
1- Antimony
2- Arsenic
3- polonium
4- tellurium
5- boron
6- silicon
7- germanium
8- astatine

hope it helps you