Naming and Writing formulas for Ionic compounds 3 - Post

The Lewis structure shown is for the polyatomic ion

• sulfate

• sulfite

• sulfide

• sulfur trioxide

Insert subscripts to write the correct formula for potassium sulfate.

• 1; 2

• 2 ; 4

• 1 ; 4

• 2 ; 4

The elements X and Y combine to form the ionic compound XY₂. What are the likely charges of X and Y?

• X = +2, Y = -1

• X = +2, Y = -2

• X = +1, Y = -2

• X = -2, Y = +1

When naming ionic compounds with transition metals you need to include roman numerals to show the _____ of the metal..

• atomic number
• mass number
• charge
• ionization energy

The formula of calcium phosphate is 

• CaPO₄
• Ca₂(PO₄)₃
• Ca₃PO₄
• Ca₃(PO₄)₂

The chemical compound for sodium phosphate would be:

• NaPO₄
• Na₂PO₄
• Na₃PO₄
• Na(PO₄)₃

Tags

NGSS.MS-PS1-1

Which of the following is the chemical formula for the Lithium Phosphate

• LiPO₄

• Li₂PO₄

• Li(PO₄)₂

• Li(PO₄)²

Which of the following is the chemical formula for Copper(II)Phosphate

• Cu₂(PO₄)

• CuPO₃

• CuPO₄

Which of the following is the chemical formula for the ionic compound Chromium(III) Nitrite

• CrNO₃

• Cr(NO₃)₂

• Cr₂NO₃

• CrN