Chemistry Review Part 1

Based on the positions of the elements on the periodic table, what is the chemical formula of aluminum sulfide

• AlS

• Al₂S

• Al₂S₃

• Al₃S₂

What is the chemical formula of a compound with the IUPAC name of aluminum cyanide

• Al(CN)₃

• AlCN

• Al₃CN

• Al₃CN₃

What is the name of the compound N₂O₃

• nitric oxide

• nitrous oxide

• dinitrogen triooxide

• triooxygen dinitride

What is the chemical formula of cobalt (II) hydroxide?

• Co(OH)₂

• Co₂H₂

• CoH₂

• Co₂H₂O

What is the chemical formula of copper (I) sulfate

• Cu₂SO₄

• CuSO₄

• Cu(SO₄)₂

• Cu₂(SO₄)₂

What is the name for the compound with a chemical formula B₆Si?

• hexasilicide boron

• boron heptasilicide

• hexaboron silicide

• boron heptasilicon

What is the chemical formula of the phosphate ion?

• PO₄^-

• HPO₄^2-

• H₂PO₄^2-

• PO₄^3-

What is the name for the compound H₂SO₄

• hydrogen sulfide acid

• sulfuric acid

• dihydrogen tetrasulfate

• dihydrogen sulfur tetraoxide

Which property of water allows it to dissolve many different substances?

• It is a polar molecule

• It contains hydrogen atoms

• It has melting point

• It has a low density

The identifying characteristic of an element is its number of

• Protons

• neutrons

• electrons

• orbitals