Chemical Names and Formulas

The charge on a barium ion in its ionic compounds is

• 1+

• 2+

• 3+

• 4+

Fe⁺³ combines with S^-2 to form 

• Fe⁺⁴(S)⁼³

• Fe²S⁴

• Fe₂S₃

• Fe³S²

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

The correct name for CaBr₂ is

• calcium dibromide

• calcium (II) bromide

• calcium bromide

• carbon bromide

Tags

NGSS.MS-PS1-1

The correct name for P₂O₅ is

• potassium oxide

• dipotassium pentoxide

• diphosphorus pentoxide

• phosphorus oxide

Name the following compound; ScCl₂

• sulfur dichloride

• scandium chloride

• scandium (II) chloride

• scandium dichloride

Why do some ionic compound names have Roman numerals in them?

• To indicate the charge on the cation.

• To indicate how many anions are present

• To indicate the charge on the ionic compound.

• To indicate the total number of atoms in a compound.

What is the formula for lithium fluoride?

• Li2 F

• Li3 F2

• LiF2

• LiF

Tags

NGSS.MS-PS1-1

P₂O₅

• Phosphorus Oxide

• Pentaphosphorus Dioxide

• Diphosphorous pentoxide

• Phosphoric Oxygen

Tags

NGSS.MS-PS1-1

What is the formula of a calcium ion and fluorine ion?

• CaF

• CaF₂

• CF

• CF₂

Tags

NGSS.MS-PS1-1

An ionic compound of calcium and chlorine would be named

• calcium chlorine.

• calcium chlorite.

• calcium chloride.

• chlorine calcium.