Chemistry First 20 Elements Flashcards
1
Q
Hydrogen
A
H
Atomic Number = 1
Atomic Mass = 1
2
Q
Helium
A
He
Atomic Number = 2
Atomic Mass = 4
3
Q
Lithium
A
Li
Atomic Number = 3
Atomic Mass = 7
4
Q
Beryllium
A
Be
Atomic Number = 4
Atomic Mass = 9
5
Q
Boron
A
B
Atomic Number = 5
Atomic Mass = 11
6
Q
Carbon
A
C
Atomic Number = 6
Atomic Mass = 12
7
Q
Nitrogen
A
N
Atomic Number = 7
Atomic Mass = 14
8
Q
Oxygen
A
O
Atomic Number = 8
Atomic Mass = 16
9
Q
Florine
A
F
Atomic Number = 9
Atomic Mass = 19
10
Q
Neon
A
Ne
Atomic Number = 10
Atomic Mass = 20
11
Q
Sodium
A
Na
Atomic Number = 11
Atomic Mass = 23
12
Q
Magnesium
A
Mg
Atomic Number = 12
Atomic Mass = 24
13
Q
Aluminium
A
Al
Atomic Number = 13
Atomic Mass = 27
14
Q
Silicon
A
Si
Atomic Number = 14
Atomic Mass = 28
15
Q
Phosphorus
A
P
Atomic Number = 15
Atomic Mass = 31
16
Q
Sulphur
A
S
Atomic Number = 16
Atomic Mass = 32
17
Q
Chlorine
A
Cl
Atomic Number = 17
Atomic Mass = 35.5
