Science 9, Unit B, Section 3, Ionic & Molecular Compounds

Ionic Compounds: Formulas from names

100

What is the formula name for sodium bromide?

NaBr

200

What is the formula name for nickel (III) oxide?

Ni₂O₃

300

What is the formula name for potassium dichromate?

K₂Cr₂O₇

400

What is the formula name for ammonium nitride?

(NH₄)₃N

500

What is the formula name for ammonium bromate?

NH₄BrO₃

Ionic Compounds: Names from formulas

100

BeOH

Beryllium hydroxide

200

CaP

Calcium phosphide

300

FeO

Iron (II) Oxide

400

Al₂(SO₄)₃

Aluminum sulfate

500

NH₄CN

Ammonium cyanide

Molecular Compounds: Formulas from names

100

What is the formula name for carbon monoxide?

CO

200

What is the formula name for nitrogen dioxide?

NO₂

300

What is the formula name for trioxygen octafluoride?

O₃F₈

400

What is the formula name for tetra carbon decasulfide?

C₄S₁₀

500

What is the formula name of triphosphorus hexabromide?

P₃Br₆

Molecular Compounds: Names from formulas

100

PO₃

Phosphorous trioxide

200

P₂O₅

Diphosphorus pentaoxide

300

S₂F₆

Disulfur hexafluoride

400

CI₄

Carbon tetraiodide

500

Se₂F₇

Diselenium heptafluoride

True or false?

100

A compound is formed when two or more elements combine chemically to produce a new substance.

True

200

IUPAC stands for the International Union of Pure and Accelerated Chemistry

False.

IUPAC stands for the International Union of Pure and Applied Chemistry

300

Cations are negative ions.

False.

400

Polyatomic ions are groups of atoms that when together have a charge.

True

500

The most metal-like element goes second when naming molecular compounds.

False