Ions Flashcards
1
Q
Group 1
A
+1
2
Q
Group 2
A
+2
3
Q
Group 3
A
+3
4
Q
Group 5
A
-3
5
Q
Group 6
A
-2
6
Q
Group 7
A
-1
7
Q
Groups 1,2 and 3 —- electrons
A
Lose
8
Q
Groups 5,6 and 7 —- electrons
A
Gain
9
Q
1st shell- maximum of
2nd she’ll - maximum of
3rd she’ll maximum of
A
2
8
8
10
Q
Atomic number?
A
Number of protons = number of of electrons
11
Q
Mass number?
A
Number of protons plus the number of neutrons
12
Q
Realitive mass of proton=
A
1
13
Q
Realitive mass of neutron =
A
1
14
Q
Realitive mass of electrons=
A
1/1836
15
Q
Realitive charge of proton
A
+1
