Unit 5: Chemical Names and Formulas Exam

Ionic compounds are bonds between

• Metals and Metals
• Metals and Nonmetals
• Nonmetals and Nonmetals
• None of the above

Tags

NGSS.HS-PS1-3

What is a cation?

• positive ion
• Neutral atom
• Two additional protons
• negative ion

What is the name of the following compound: NaCl

• sodium chloride

• sodium (I) chloride

• sodium chlorine

• sodium (I) chlorine

Tags

NGSS.MS-PS1-1

What is the name of the following compound: CuBr₂

• copper bromine

• copper bromide

• copper (I) bromide

• copper (II) bromide

What is the name of the following compound: K₂SO₄

• potassium sulfur

• potassium sulfate

• potassium (I) sulfate

• potassium (II) sulfide

What is the name of the following compound: Mn₂O₃

• manganese oxide

• manganese (II) oxide

• manganese (III) oxide

• magnesium oxide

Tags

NGSS.MS-PS1-1

What is the charge of copper in the compound: CuBr₂

• +1

• +2

• -1

• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the what charge of manganese in the compound: Mn₂O₃

• +1

• +2

• +3

• -3

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the what charge of lead in the compound: lead (IV) iodide

• +1

• +4

• +6

• -1

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which is the correct formula for the compound: Calcium Oxide

• CaO

• CaO₂

• Ca₂O

• Ca₁O