Chemical Bonding and Balancing Equations

Ionic Bonding

100

Oxygen (O) + Beryllium (Be)

give the formula and name

BeO, beryllium oxide

200

Fluorine and Magnesium

give formula and name

MgF2

Magnesium fluoride

300

Calcium + Carbonate (CO₃) (-1 charge)

give formula

Ca(CO₃)₂

400

Alumnium + sulphate (SO₄) (2- charge)

give formula

Al₂(SO₄)₃

500

Ammonium (NH₄) (1+ charge) 

+ 

sulphate (SO₄) (2- charge)

give the formula

(NH₄)₂SO₄

Drawing Covalent Bonds

100

Sulphur tetrafluoride

give the formula

SF₄

200

Draw the bond between carbon and hydrogen. 

CH4

300

Draw the covalent bond that forms in pure Nitrogen

N2, triple bond

400

Draw the covalent bond for water

H2O

500

Draw the bond for C₂H₆

ethane

Drawing Ionic Bonds

100

draw the bond between calcium and bromine

CaBr₂

200

Draw the bond between Potassium and Nitrogen

K3N

300

Draw the bond between Aluminium and Nitrogen

AlN

400

Draw the bond between Beryllium and Nitrogen

Be3N2

500

Draw the bond between Lithium and carbon

Li4C

Naming Covalent compounds

100

H2O

Dihydrogen monoxide

200

C2H6, (2 names, bonus question)

Dicarbon hexahydride, ethane

300

NH3 (2 names) (double point)

Nitrogen trihydride, ammonia

400

NH4 (2 names, bonus points)

Nitrogen tetrahydride, ammonium

500

CH4 (2 names, bonus points)

Carbon tetrahydride, methane

Balancing Chemical Equations

100

___ Na + ___ O2 --> ___ Na2O

4, 1, 2

200

___ N2 + ___ O2--> ___ N2O5

2, 5, 2

300

 ___ KOH + ___ HBr--> ___ KBr + ___ H2O

1,1,1,1

400

___ C6H6 + ___ O2--> ___ CO2 + ___ H2O

2,15,12,6

500

___ Al(OH)3 + ___ H2SO4--> ___ Al2(SO4)3 + ___ H2O

2,3,1,6