Question 1

Which suffix is used when naming monatomic anions according to the systematic naming method?

Accepted Answer

The suffix $-ide$

Question 2

What is the correct name for the ion $\mathrm{Se^{2-}}$?

Accepted Answer

Selenide ion

Question 3

Which of the following represents the oxide ion?

Accepted Answer

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

Question 4

Given the ions $\mathrm{Mg^{2+}}$ and $\mathrm{P^{3-}}$, what is the correct name for the compound formed?

Accepted Answer

Magnesium (II) and phosphide ion

Question 5

Which of the following is the correct formula for magnesium phosphide?

Accepted Answer

$\mathrm{Mg_3P_2}$

Question 6

What is the charge on the sulfide ion?

Accepted Answer

$-2$

Question 7

Which of the following ions is named using the base name 'chlor-'?

Accepted Answer

$\mathrm{Cl^{-}}$

Question 8

If an element forms a monatomic anion, what happens to its base name in the systematic naming method?

Accepted Answer

The base name is kept and the ending is changed to $-ide$

Question 9

Which of the following is the correct name for $\mathrm{N^{3-}}$?

Accepted Answer

Nitride ion

Question 10

A student writes the name 'phosphide ion' for $\mathrm{P^{3-}}$. Is this correct?

Accepted Answer

Yes, because the base name 'phosph-' is used and the ending is changed to $-ide$

Question 11

Which of the following ions would be named 'fluoride ion'?

Accepted Answer

$\mathrm{F^{-}}$

Question 12

What is the correct name for $\mathrm{S^{2-}}$?

Accepted Answer

Sulfide ion

Question 13

Which of the following is a common mistake when naming monatomic anions?

Accepted Answer

Using the element name instead of the base name with $-ide$ ending

Question 14

If you encounter the ion $\mathrm{Br^{-}}$, what is its systematic name?

Accepted Answer

Bromide ion

Question 15

Which of the following ions is NOT named with the $-ide$ suffix?

Accepted Answer

$\mathrm{NO_3^{-}}$

Question 16

A compound is formed between magnesium and nitrogen. What is its chemical formula?

Accepted Answer

$\mathrm{Mg_3N_2}$

Question 17

Which of the following is the correct name for $\mathrm{O^{2-}}$?

Accepted Answer

Oxide ion

Question 18

What is the correct name for the ion $\mathrm{I^{-}}$?

Accepted Answer

Iodide ion

Question 19

Which of the following ions is named 'phosphide ion'?

Accepted Answer

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

Question 20

Which of the following is the correct name for $\mathrm{S^{2-}}$ in a medical context, such as in the treatment of certain bacterial infections?

Accepted Answer

Sulfide ion

Naming Monatomic Anions and Systematic Names for Anions

Study Guide - Practice Questions