Naming and Formula Writing Test Review

What is the correct name for NaCl?

• Sodium(I) chloride

• Sodium chloride

• Sodium monochloride

• Sodium(II) chloride

What is the correct formula for calcium nitrate?

• CaNO₃

• Ca(NO₃)₂

• Ca₂NO₃

• Ca(NO₃)₃

Tags

NGSS.MS-PS1-1

When do you use Roman numerals in naming compounds?

• When the metal can have multiple charges

• When the compound contains a polyatomic ion

• When naming covalent compounds

• When the compound contains only nonmetals

What is the correct name for Fe₂O₃?

• Iron(III) oxide

• Iron(II) oxide

• Iron oxide

• Diiron trioxide

What is the correct formula for ammonium sulfate?

• NH₄(SO₄)₂

• (NH₄)₂SO₄

• NH₄SO₄

• (NH₄)₃SO₄

Which of the following is a covalent compound?

• MgCl₂

• CO₂

• Na₂SO₄

• Fe(NO₃)₃

Tags

NGSS.HS-PS1-1

What is the correct name for P₂O₅?

• Diphosphorus pentaoxide

• Phosphorus oxide

• Phosphorus dioxide

• Diphosphorus pentoxide

How can you determine whether a compound is ionic or covalent?

• Ionic compounds contain only nonmetals

• Covalent compounds contain a metal and a nonmetal

• Ionic compounds contain a metal and a nonmetal

• Ionic compounds contain only metals

Tags

NGSS.HS-PS1-3

What is the correct formula for magnesium phosphate?

• Mg₃(PO₄)₂

• Mg₂PO₄

• Mg₃PO₄

• Mg(PO₄)₂

Tags

NGSS.MS-PS1-1

What does the Roman numeral in Copper(II) chloride indicate?

• The number of chloride ions

• The oxidation state of copper

• The number of atoms in the compound

• The number of total ions