During a laboratory session, Lucas encounters a bottle labeled Fe(NO₃)₃. What is the correct name for this compound?

• iron(II) nitrate

• iron(III) nitrate

• iron(II) nitrite

• iron(III) nitrite

Brody is working in a chemistry lab and finds a green crystalline compound labeled NiCl₂·6H₂O. He wants to correctly record its name in her lab notebook. What is the name of NiCl₂·6H₂O?

• nickel(II) chloride hexahydrate

• nickel(II) chloride tetrahydrate

• nickel(II) chloride anhydrate

• nickel(II) chloride septahydrate

While helping Brad with his chemistry homework, Aiden comes across a compound with the formula NH₄⁺. Which ion is this?

• ammonia

• ammonium

• magnesia

• magnesium

While preparing a solution, Connor needs to use sodium phosphate. Which of the following is the correct formula for sodium phosphate?

• Na₃PO₄

• NaPO₄

• Na₂PO₄

• Na₄PO₃

Bryleigh is working in a chemistry lab and comes across a white powder labeled PbSO₄. She wants to correctly name this compound. What is the name for the compound with the formula PbSO₄?

• lead(IV) sulfate

• lead(II) sulfate

• lead(IV) sulfide

• lead(II) sulfide

While analyzing a sample, Aiden finds a compound with the formula K₂Cr₂O₇. What is the correct name for this compound?

• potassium carbonate

• potassium permanganate

• potassium dichromate

• potassium chromate

During a chemistry experiment, Jacob encounters a compound labeled CuSO₄·5H₂O. What is the correct name for this compound?

• copper(I) sulfate dihydrate

• copper(II) sulfate monohydrate

• copper(I) sulfate pentahydrate

• copper(II) sulfate pentahydrate

Bree is studying water chemistry and comes across an ion with the formula HCO₃+. Which ion is this?

• hydrogencarbonate

• permanganate

• acetate

• dichromate

Kyndall is studying water quality and comes across an ion with the formula NO₂⁻ in a sample. Which ion has this formula?

• nitrite

• dinitrogen oxide

• nitrate

• dioxygen dinitride

Ashton is reviewing polyatomic ions and finds one with the formula SO₄²⁻. Which ion does this formula represent?

• sulfate

• sulfite

• hydrogen sulfate

• thiosulfate