Masses and charges of subatomic particles Flashcards
1
Q
proton relative charge
A
+1
2
Q
neutron relative charge
A
0
3
Q
electron relative charge
A
-1
4
Q
proton relative mass
A
1
5
Q
neutron relative mass
A
1
6
Q
electron relative mass
A
1/2000 (very small)
7
Q
why does an atom not have any relative charge
A
The number of protons and electrons is the same, and so they cancel each other out because 1 subtract 1 is equal to 0