First 20 elements Flashcards
1
Q
hydrogen
A
H
2
Q
H
A
hydrogen
3
Q
helium
A
He
4
Q
He
A
helium
5
Q
lithium
A
Li
6
Q
Li
A
lithium
7
Q
beryllium
A
Be
8
Q
Be
A
beryllium
9
Q
boron
A
B
10
Q
B
A
boron
11
Q
carbon
A
C
12
Q
C
A
carbon
13
Q
nitrogen
A
N
14
Q
N
A
nitrogen
15
Q
oxygen
A
O
16
Q
O
A
oxygen
17
Q
fluorine
A
F
18
Q
F
A
fluorine
19
Q
neon
A
Ne
20
Q
Ne
A
neon
21
Q
sodium
A
Na
22
Q
Na
A
sodium
23
Q
magnesium
A
Mg
24
Q
Mg
A
magnesium
25
aluminum
Al
26
Al
aluminum
27
silicon
Si
28
Si
silicon
29
phosphorus
P
30
P
phosphorus
31
sulfur
S
32
S
sulfur
33
chlorine
Cl
34
Cl
chlorine
35
argon
Ar
36
Ar
argon
37
potassium
K
38
K
potassium
39
calcium
Ca
40
Ca
calcium
