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

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