Question 1

Which subatomic particle determines the atomic number of an element?

Accepted Answer

Proton

Question 2

What is the correct formula for the nitrate ion?

Accepted Answer

$$NO_3$$^-$$

Question 3

Which of the following is the correct name for $$Fe^{3+}$$?

Accepted Answer

Iron(III) ion

Question 4

Which of the following compounds is named correctly?

Accepted Answer

NaCl: sodium chloride

Question 5

What is the correct name for $$Cu(NO_3$)_2$$?

Accepted Answer

Copper(II) nitrate

Question 6

Which of the following is a chalcogen?

Accepted Answer

Sulfur

Question 7

What is the formula for the hydronium ion?

Accepted Answer

$$H_3O^+$$

Question 8

Which of the following is the correct name for $$H_2SO_4$$?

Accepted Answer

Sulfuric acid

Question 9

Which prefix is used to indicate four atoms of an element in a binary molecular compound?

Accepted Answer

Tetra-

Question 10

What is the correct name for $$N_2O_4$$?

Accepted Answer

Dinitrogen tetroxide

Question 11

Which of the following ions is a polyatomic anion?

Accepted Answer

$$OH^-$$

Question 12

Which element is an alkali metal?

Accepted Answer

Potassium

Question 13

What is the correct formula for the acetate ion?

Accepted Answer

$$CH_3COO^-$$

Question 14

Which of the following is the correct name for $$HClO_4$$?

Accepted Answer

Perchloric acid

Question 15

Which of the following is the correct formula for the chromate ion?

Accepted Answer

$$CrO_4$$^{2-}$$

Question 16

A compound contains only potassium and oxygen. What is its correct name?

Accepted Answer

Potassium oxide

Question 17

Which of the following is the correct name for $$NH_4$$^+$$?

Accepted Answer

Ammonium ion

Question 18

Which of the following is the correct name for $$CO_2$$?

Accepted Answer

Carbon dioxide

Question 19

Which of the following is the correct formula for the dichromate ion?

Accepted Answer

$$Cr_2O_7$$^{2-}$$

Question 20

Which of the following is the correct name for $$H_2CO_3$$?

Accepted Answer

Carbonic acid

Atoms, Molecules, and Ions: Structure and Nomenclature

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