Quiz 1 _ Chemical Names and Formulas _Grade 10 Chemistry

An ion of bromine with a single negative charge has the symbol and the name

• Br⁺, bromide ion.

• Br^-, bromide ion.

• Br⁺, bromium ion

• Br^-, bromium ion.

The platinum(II) ion and the platinum(IV) ion

• are anions.

• are polyatomic ions.

• have charges of 2+and 4+, respectively.

• have charges of 1+ and 3+, respectively.

What is the name of the compound made of zinc ions, Zn²⁺, and fluoride ions, F^-?

• zinc difluoride

• zinc fluorate

• zinc fluoride

• zinc(II) fluorite

What is the chemical formula for the compound made of tin(IV) ions and chloride, Cl^-, ions?

• SnCl₄

• Sn₂Cl₂

• SnCl₂

• Sn₄Cl

What is the formula for the compound made of aluminum ions, Al³⁺, and sulfate ions, ?

• AlSO₄

• Al₃SO₄

• Al(SO₄)₃

• Al₂(SO₄)₃

How many atoms are present in one formula unit of barium acetate, Ba (C₂H₃O₂)₂?

• 4

• 8

• 15

• 16

What is the formula for the compound dinitrogen tetroxide?

• N₂O₃

• N₂O₄

• N₃O₂

• N₃O₄

The term acid usually refers to

• a solution of the acid compound in water.

• only the acid compound.

• a compound containing hydrogen.

• a compound containing hydrogen and oxygen.

What is the formula for carbonic acid?

• CH₃COOH

• HClO₃

• CH₄

• H₂CO₃

The salt calcium nitrate, Ca(NO₃)₂, contains the anion from

• calcium.

• nitrogen.

• nitric acid.

• nitrous acid.