Writing Chemical Formulas and Naming Compounds

The correct chemical formula for magnesium phosphide is

• MgP
• Mg₂P₃
• Mg₃P₂
• Mg₃(PO₄)₂

Tags

NGSS.HS-PS1-1

The name of FeCl₂ is

• iron chloride
• iron (II) chloride
• iron (I) chloride
• iron dichloride

What is the correct name for P₃Cl₆?

• Potassium chloride
• Phosphorous chloride
• Triphosphorous hexachloride
• Tetraphosphorous heptachloride

What is the correct name for MgI₂?

• Manganese IV iodide
• Manganese diiodide
• Magnesium iodide
• Magnesium diiodide

What is the correct formula for phosphorous trichloride?

• P₃Cl
• PCl₃
• KCl₃
• K₃Cl

What is the correct name for SO₂?

• Sulfur oxide
• Sulfite
• Sulfur dioxide
• Sulfur II Oxide

What is the correct term for "bond that forms between a metal and a nonmetal"?

• ionic bond
• metallic bond
• nonpolar covalent bond
• polar covalent bond

Tags

NGSS.HS-PS2-4

Ionic compounds are written with

• cation (+ ion) first then anion (- ion)
• anion (- ion) first then cation (+ ion)
• either way is fine
• polyatomic ions first

The correct name of Cu₃N₂ is

• copper (III) nitride
• copper (II) nitride
• copper nitride
• tricopper dinitride

What is the correct formula for dinitrogen tetroxide?

• N₃O₃
• (N₂)₂(O₄)₃
• N₂O₄
• N₄O₂