Periodic Table Flashcards
1
Q
Elements with similar properties form …..
A
Columns
2
Q
Vertical columns (groups)
A
The group that an element belongs to, corresponds to the number of electrons in its outer shell
3
Q
Group 1
A
Alkali metals
4
Q
Group 7
A
Halogens
5
Q
Group 0 (far right)
A
Noble gases
6
Q
All elements in the …. group have the …. number of …….. in their ….. …..
A
1: same
2: same
3: electrons
4: outer shell
7
Q
Atomic number
Bottom number
A
Equal to the number of electrons in their outer shell
8
Q
Diatomics
A
H NOF D
O
W
N
9
Q
Relative atomic mass
Top number
A
Number of protons + neutrons
