Question

Which substances have one neutron? Select all that apply.

A. H-1
B. H-2
C. H-3
D. He-2
E. He-3
F. He-4
help lol

Answer 1

Answer: Option B and E

Explanation: No of neutrons (n) = Mass number - Atomic number= A-Z

A. n=1-1=0

B. n=2-1=1

C. n= 3-1=2

D. n= 2-2=0

E. n=3-2=1

F. n=4-2=2

Hence options B and E are correct