Download ionic compound tile formula activity

Writing Formulas for Ionic Compounds
SPS 2b. Predict formulas for stable binary ionic compounds based on balance of charges.
Name_______________________________________________Period_____Date______________
Name_______________________________________________
Using the tiles provided select the correct number of each ion to balance the charges for the ionic
compound made for the identified elements. Once the correct numbers of tiles have been selected,
write the chemical formula for that ionic compound.
1. Magnesium and chlorine
Chemical Formula______________________
2. Potassium and oxygen
Chemical Formula______________________
3. Beryllium and oxygen
Chemical Formula______________________
4. Sodium and selenium
Chemical Formula______________________
5. Calcium and fluorine
Chemical Formula______________________
6. Lithium and sulfur
Chemical Formula______________________
7. Aluminum and oxygen
8. Make three of your own with the remaining tiles
Chemical Formula______________________
Chemical Formula________________
Mg
Ca
K
2+
2+
1+
1+
Li
3+
Al
Mg
Ca
K
2+
2+
1+
Li
1+
Al
3+
Be
2+
Be
2+
Na
1+
Na
1+
Al
3+
S
22-
O
2-
O
1-
Cl
1-
F
S
2-
O
2-
O
2-
Cl
F
1-
1-
Se
2-
Se
2-
O
21-
Br
1-
Br