Question

2)
From the following protons numbers, which would be the least reactive
elements?
A)
2 and 8
B)
2 and 18
C)
8 and 12
8 and 18
D)

Answer 1

Answer:

option b is right.because they are noble gases.

2....helium

18.....argon

Answer 2

Answer:

and 8 from protons numbers