SNC 2D – Chemistry
The Ion: A Charged Atom Worksheet
For each of the following elements listed below, draw the dot diagram for the neutral atom and then write the
atom’s most common ion. [element
Element
1
H
1
7
𝒂𝒕𝒐𝒎𝒊𝒄 𝒎𝒂𝒔𝒔
𝒂𝒕𝒐𝒎𝒊𝒄 #
]
Lewis dot
Diagram
Most Common
Ion
H
Li
3
23
Na
11
39
Na+
K
19
9
Be
4
24
Mg
Ca
B
12
40
20
11
5
27
Al
13
Mg+2
N
14
7
31
P
15
16
O
S
8
32
O-2
16
19
F
Cl
9
35
17
4
He
2
20
Ne
10
40
Ar
18
none
SNC 2D – Chemistry
Lewis Dot Diagrams & Ion Formation
Metal
Lewis
Dot
Ion
NonMetal
Lewis
Dot
Ion
Mg
Mg
Mg+2
N
N
N-3
Li
F
Ca
O
Na
O
Be
Cl
K
N
Ionic Compound
Name Symbol
Mg3N2
Magnesium nitride