Formula Writing

Write the chemical formula for triselenium hexafluoride.

• Se₃F

• Se₃F₆

• Se₆F₂

• Se₃F₄

Write the chemical formula for hydroiodic acid.

• HCl

• HBr

• HF

• HI

vanadium (III) dichromate

• V₂CrO₄

• V₂(Cr₂O₇)₃

• V₂(CrO₄)₃

• V(Cr₂O₇)₃

What is the chemical formula for aluminum carbonate?

• Al₂(CO₃)₂

• Al₂(CO₃)₃

• Al(CO₃)₃

• Al₃(CO₃)₂

What is the chemical formula for vanadium (IV) phosphate?

• V₃(PO₄)₄

• V(PO₄)₂

• V₂(PO₄)₃

• V₄(PO₄)₅

The chemical formula of tetraphosphorus heptaoxide is

• F₄O₁₀

• P₄O₇

• PO

• P₁₀O₄

Tags

NGSS.MS-PS1-1

barium phosphide

• Ba₃(PO4)₂

• BaP

• Ba₃P₂

• Ba₂P₃

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Write the chemical formula for sodium carbonate decahydrate.

• Na₂CO₃·10H₂O

• Na₂CO₃·5H₂O

• Na₂CO₃·7H₂O

• Na₂CO₃·12H₂O

Write the chemical formula for cobalt (III) carbonate.

• Co₂(CO₃)₃

• CoCO₃

• Co₃(CO₃)₂

• Co(CO₃)₃

Tags

NGSS.HS-PS1-1

When the polyatomic ion in an acid ends in -ate, the root name of the polyatomic ion is followed by the ending -_____.

• ide

• ic

• ous

• ite