Review Unit 03 Bonding & Nomenclature

What is the chemical formula for aluminum sulfate?

• AlS

• AlSO₄

• Al₂(SO₄)₃

• Al₃(SO4)₂

Ammonia is a very commonly used covalent compound. It's scientific name is nitrogen trihydride. What is the chemical formula for ammonia?

• HN₄

• NH₃

• H₃N

• NH₄

What is the name for the compound Na₃(PO₄)?

• Sodium phosphorus

• Sodium phosphide

• Sodium phosphite

• Sodium phosphate

What is the formula for sodium fluoride?

• NaF

• Na₂F

• NaF₂

• Na₂F₂

What is the formula for copper (I) oxide?

• Cu₂O₃

• Cu₂O

• CuO₂

• CuO

Tags

NGSS.HS-PS1-2

Which of the following is the common name for NH₃?

• water

• ammonia

• nitric acid

• methane

Tags

NGSS.MS-PS1-1

Which of the following are true regarding this element's electron dot structure?

Select TWO correct answers.

• This is a group 13 element.

• This is a group 17 element.

• This element comes from a group that is stable.

• This element has three valence electrons.

• This element is in period three on the periodic table.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following are true regarding this element's electron dot structure?

Select TWO correct answers.

• It represents an element that is classified as a noble gas.

• It represents an element that is from the halogen group

• It represents an element that will readily give an electron away.

• It represents an element that will readily accept an electron.

• It represents an element that is metallic.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following pairs correctly matches a compound with its molecular geometry?

Select TWO correct answers.

• hydrochloric acid (HCl): trigonal planar

• water (H₂O): trigonal planar

• carbon dioxide (CO₂): tetrahedral

• methane (CH₄): tetrahedral

• carbon tetrachloride (CCl₄): tetrahedral

What is the shape of a CO₂ molecule?

• linear

• tetrahedral

• trigonal planar

• bent