Question

The table below shows the number of sub-atomic particles in an atom of magnesium.

Sub-atomic Particles
Sub-atomic Particle Number
Protons 12
Neutrons 12
Electrons 12

What is the amu of a magnesium atom?
0
12
24
36

Answer 1

Like what the kid said it might be 24

Answer 2

24

Step-by-step explanation:

I'm not sure but I'm pretty sure this is right. I'm sorry if it's not right