Ionic Compounds: Naming and Formula Writing

Front

What is an ionic compound?

Back

An ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding. They typically form between metals and nonmetals.

Front

What is the general formula for ionic compounds?

Back

The general formula for ionic compounds is represented as AB, where A is a cation (positive ion) and B is an anion (negative ion).

Front

How do you determine the charge of a monatomic ion?

Back

The charge of a monatomic ion can be determined from its position in the periodic table. Metals typically lose electrons to form positive ions, while nonmetals gain electrons to form negative ions.

Front

What is the charge of silver in silver (I) phosphide?

Back

In silver (I) phosphide, silver has a charge of +1.

Front

What is the charge of lead in lead (IV) oxide?

Back

In lead (IV) oxide, lead has a charge of +4.

Front

What is the rule for naming the first element in an ionic compound?

Back

The name of the positive element (cation) is always written first in the name of an ionic compound.

Front

What suffix is used when naming the second element in a binary ionic compound?

Back

The suffix '-ide' is used when naming the second element in a binary ionic compound.

Front

How do you write the formula for calcium oxide?

Back

The formula for calcium oxide is CaO, where calcium has a charge of +2 and oxide has a charge of -2.

Front

What is the significance of Roman numerals in naming ionic compounds?

Back

Roman numerals indicate the charge of the cation in ionic compounds, especially for transition metals that can have multiple oxidation states.

Front

What is the formula for aluminum sulfide?

Back

The formula for aluminum sulfide is Al2S3, where aluminum has a charge of +3 and sulfide has a charge of -2.