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Match it!
Match it! Select the correct answer from the pull down...Good luck!
Radon
U
O
P
Ra
Ba
K
B
Rn
Uranium
U
O
P
Ra
Ba
K
B
Rn
Boron
U
O
P
Ra
Ba
K
B
Rn
Phosphorus
U
O
P
Ra
Ba
K
B
Rn
Potassium
U
O
P
Ra
Ba
K
B
Rn
Oxygen
U
O
P
Ra
Ba
K
B
Rn
Barium
U
O
P
Ra
Ba
K
B
Rn
Radium
U
O
P
Ra
Ba
K
B
Rn
Check it!