Question 1

Which of the following is the correct formula for the thiosulfate ion, given that 'thio-' indicates the replacement of one oxygen atom by a sulfur atom in the sulfate ion?

Accepted Answer

$\mathrm{S_2O_3^{2-}}$

Question 2

What is the systematic name for the polyatomic ion $\mathrm{NO_2^-}$?

Accepted Answer

Nitrite

Question 3

Which of the following ions is a tetraoxide?

Accepted Answer

$\mathrm{SO_4^{2-}}$

Question 4

If the base name for the halogen oxyanion is 'chlor', what is the formula for the perchlorate ion?

Accepted Answer

$\mathrm{ClO_4^-}$

Question 5

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

Accepted Answer

$\mathrm{CrO_4^{2-}}$

Question 6

What is the charge on the carbonate ion?

Accepted Answer

$2-$

Question 7

Which of the following ions is derived by replacing one oxygen atom in the carbonate ion with a sulfur atom?

Accepted Answer

$\mathrm{SCO_2^{2-}}$

Question 8

Which of the following is the correct systematic name for $\mathrm{IO_3^-}$?

Accepted Answer

Iodate

Question 9

What is the formula for the acetate ion?

Accepted Answer

$\mathrm{C_2H_3O_2^-}$

Question 10

Which of the following ions is the silicon version of the carbonate ion?

Accepted Answer

$\mathrm{SiO_3^{2-}}$

Question 11

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

Accepted Answer

$\mathrm{MnO_4^-}$

Question 12

Which of the following ions is a polyatomic cation?

Accepted Answer

Ammonium $\mathrm{NH_4^+}$

Question 13

What is the systematic name for $\mathrm{CO_2^{2-}}$?

Accepted Answer

Carbonite

Question 14

Which of the following ions is NOT a trioxide?

Accepted Answer

$\mathrm{SO_4^{2-}}$

Question 15

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

Accepted Answer

$\mathrm{CN^-}$

Question 16

Which of the following ions has a $1-$ charge and contains three oxygen atoms?

Accepted Answer

$\mathrm{NO_3^-}$

Question 17

What is the formula for the hypobromite ion?

Accepted Answer

$\mathrm{BrO^-}$

Question 18

Which of the following ions is the conjugate base of acetic acid?

Accepted Answer

$\mathrm{C_2H_3O_2^-}$

Question 19

Which of the following ions is derived from the element phosphorus and contains four oxygen atoms?

Accepted Answer

$\mathrm{PO_4^{3-}}$

Question 20

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

Accepted Answer

$\mathrm{ClO_4^-}$

Polyatomic Ions and Oxyanions: Structure, Naming, and Patterns

Study Guide - Practice Questions

Study Guide - Flashcards