Compound names (atoms) to formulas
Compound names (polyatomic) to formulas
Compound formulas (atoms) to names
Guess the missing atom
Compound formulas (polyatomic) to names
100

The name of the compound NaCl


Sodium Chloride


100

The name of the compound NH4NO3

Ammonium Nitrate


100

The chemical formula of magnesium chloride

MgCl2

100

A metal, Li, forms a compound with a second-period element X with the formula LiX. The ion formed from X has 10 electrons. The identity of the nonmetal X is

F flourine




100

The chemical formula of sodium sulfate

Na2SO4


200

The name of the compound FeCl3

Iron (III) Chloride



200

The name of the compound NH4HSO4

Ammonium hydrogen sulfate


200

The chemical formula of iron (III) oxide

Fe2O3



200

A metal, X, forms a compound with sulfur with the formula X2S3. The ion formed from X has 10 electrons. The identity of the metal X


Al aluminum





200

The chemical formula of ammonium nitrate



NH4NO3

300

The name of the compound PbO

Lead (II) Oxide

300

The name of the compound Na2(SO4)

Sodium Sulfate

300

The chemical formula of aluminum phosphide

AlP


300

A metal, K, forms a compound with a third-period element X with the formula K3X. The ion formed from X has 36 electrons. The identity of the nonmetal X

As arsenic



300

The chemical formula of calcium phosphate


Ca3(PO4)2



400

The name of the compound Al(NO2)3

Aluminum Nitrite


400

The name of the compound K(HSO4)



Potassium hydrogen sulfate



400

The chemical formula of titanium (IV) oxide

TiO2



400

A metal, Cs, forms a compound with an element X with the formula CsX. The ion formed from X has 36 electrons. What is the identity of the element X

Br Bromine



400

The chemical formula of zinc phosphate

Zn3(PO4)2



500

The name of the compound NH4PO4

Ammonium Phosphate


500

The name of the compound (NH4)Cl


Ammonium chloride 




500

The chemical formula of chromium (III) nitride


Cr2N3


500

A metal, Ag, forms a compound with an element X with the formula AgX. The ion formed from X has 86 electrons. The identity of the element X

At Astantine





500

The chemical formula of iron (III) acetate

Fe(C2H3O2)3



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