1st & 2nd Periods Flashcards
(10 cards)
1
Q
Hydrogen
A
1, H
2
Q
Helium
A
2, He
3
Q
Lithium
A
3, Li
4
Q
Beryllium
A
4, Be
5
Q
Boron
A
5, B
6
Q
Carbon
A
6, C
7
Q
Nitrogen
A
7, N
8
Q
Oxygen
A
8, O
9
Q
Fluorine
A
9, F
10
Q
Neon
A
10, Ne
