Writing Chemical Formulas - 2nd Period

What is the correct formula for the compound, lithium oxide?

• LiO
• Li₂O
• LiO₂
• Li₂O₂

Tags

NGSS.MS-PS1-1

What is the formula for manganese(III) oxide?

• MgO
• Mg₂O₃
• MnO
• Mn₂O₃

Tags

NGSS.HS-PS1-2

The formula of calcium phosphate is 

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

What is the name of Al(NO₃)₃?

• Aluminum trinitrate
• Monoaluminum nitrate
• Aluminum (III) nitrate
• Aluminum Nitrate

Tags

NGSS.MS-PS1-1

What is the chemical formula for Tetrasulfur pentoxide?

• SO
• S₄O
• S₄O₅
• S₅O₄

Tags

NGSS.MS-PS1-1

Roman numerals tell you the ____ of the metal cation(s) in an ionic compound.

• number
• mass
• type
• charge

Ionic compounds are written with

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

ammonium phosphate

• (NH₄)₃PO₄
• NPO₄
• NH₄PO₄
• NH₄₍PO₄)₃

Tags

NGSS.MS-PS1-1

The formula for copper (II) hydroxide is

• Cu(II)OH
• Cu(OH)₂
• Cu₂OH
• CuOH₂

Tags

NGSS.HS-PS1-2

Ba⁺², Br^-1

• BrBa
• Br₂Ba₂
• BaBr₂
• Br₂Ba

Tags

NGSS.MS-PS1-1