First 20 elements of periodic table Flashcards
remember all 20 elements (40 cards)
1
Q
6
A
Carbon
2
Q
17
A
Chlorine
3
Q
3
A
Lithium
4
Q
Chlorine
A
Atomic number: 17
Element symbol: Cl
5
Q
Fluorine
A
Atomic number: 9
Element symbol: F
6
Q
Silicon
A
Atomic number: 14
Element symbol: Si
7
Q
13
A
Aluminum
8
Q
15
A
Phosphorus
9
Q
Hydrogen
A
Atomic number: 1
Element symbol: H
10
Q
Carbon
A
Atomic number: 6
Element symbol: C
11
Q
Calcium
A
Atomic number: 20
Element symbol: Ca
12
Q
2
A
Helium
13
Q
14
A
Silicon
14
Q
19
A
Pottasium (K)
15
Q
Beryllium
A
Atomic number: 4
Element symbol: Be
16
Q
4
A
Beryllium
17
Q
Phosphorus
A
Atomic number: 15
Element symbol: P
18
Q
11
A
Sodium (NA)
19
Q
Sulphur
A
Atomic number: 16
Element symbol: S
20
Q
Oxygen
A
Atomic number: 8
Element symbol: O
21
Q
Magnesium
A
Atomic number: 12
Element symbol: Mg
22
Q
1
A
Hydrogen
23
Q
Neon
A
Atomic number: 10
Element symbol: Ne
24
Q
18
A
Argon
25
7
Nitrogen
26
16
Sulphur
27
Pottasium
Atomic number: 19
Element symbol: K
28
8
Oxygen
29
Aluminum
Atomic number: 13
Element symbol: Al
30
Helium
Atomic number: 2
Element symbol: He
31
Sodium
Atomic number: 11
Element symbol: Na
32
Argon
Atomic number: 18
Element symbol: Ar
33
12
Magnesium
34
5
Boron
35
Lithium
Atomic number: 3
Element symbol: Li
36
Boron
Atomic number: 5
Element symbol: B
37
20
Calcium
38
10
Neon
39
Nitrogen
Atomic number: 7
Element symbol: N
40
9
Fluorine
