First 20 elements of periodic table Flashcards
remember all 20 elements
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
