Naming Compounds and Writing Formulas: Monatomic, Polyatomic, and Covalent Compounds

Practice fill-in-the-blank flashcards covering common monatomic ions, polyatomic ions, and rules for naming covalent compounds.

A monatomic ion is defined as an ion consisting of a __________.

single charged atom

Polyatomic ions are composed of two or more atoms bonded together with an overall __________ charge.

positive or negative

Within a polyatomic ion itself, the atoms are held together by __________ bonds.

covalent

In compounds containing polyatomic ions, the positive and negative ions are bonded to each other with __________ bonds.

ionic

When naming covalent compounds, if only one atom of a particular element is present in the molecule, the prefix __________ is usually omitted from the first element.

mono-

When naming covalent compounds, the stem of the name of the last element is used with the suffix __________.

-ide

When naming covalent compounds, the final vowel in a prefix is often dropped before a __________ in the stem name.

vowel

According to covalent compound naming rules, the formula $CO$ is named __________.

carbon monoxide

The prefix used to denote $4$ atoms in a compound is __________.

Tetra-

The prefix used to denote $7$ atoms in a compound is __________.

Hepta-

The prefix used to denote $9$ atoms in a compound is __________.

Nona-

The prefix used to denote $10$ atoms in a compound is __________.

Deca-

The formula for the ammonium ion is __________.

$$NH_4^+$$

The formula for the hydronium ion is __________.

$$H_3O^+$$

The formula for the sulfate ion is __________.

$$SO_4^{2-}$$

The formula for the sulfite ion is __________.

$$SO_3^{2-}$$

The formula for the nitrate ion is __________.

$$NO_3^-$$

The formula for the nitrite ion is __________.

$$NO_2^-$$

The formula for the carbonate ion is __________.

$$CO_3^{2-}$$

The formula for the bicarbonate ion is __________.

$$HCO_3^-$$

The polyatomic ion with the formula $CH_3COO^-$ (or $C_2H_3O_2^-$) is named __________.

Acetate

The polyatomic ion with the formula $Cr_2O_7^{2-}$ is named __________.

Dichromate

The monatomic anion $H^-$ is named the __________ ion.

Hydride

The monatomic anion $N^{3-}$ is named the __________ ion.

Nitride

The monatomic anion $P^{3-}$ is named the __________ ion.

Phosphide