Answer:
Step-by-step explanation:
Neutron: has mass and no charge
Protons: has mass and a positive charge
Answer:
A
Step-by-step explanation:
3m+8=20
3m=20-8
3m=12
m=4
Answer:
3/18
Step-by-step explanation:
6 = x + 2
Subtract 2 from both sides
6 - 2 = x + 2 - 2
4 = x
