Naming and Writing Formulas

Front

What is a molecular compound?

Back

A molecular compound is a chemical compound whose simplest units are molecules, typically formed from nonmetals. An example is Carbon Tetrachloride (CCl₄).

Front

What is the formula for diphosphorus pentoxide?

Back

The formula for diphosphorus pentoxide is P₂O₅.

Front

How do you write the chemical formula for magnesium phosphide?

Back

The correct chemical formula for magnesium phosphide is Mg₃P₂.

Front

What is the name of the compound KF?

Back

The name of the compound KF is Potassium fluoride.

Front

What is the chemical formula for nitrogen trifluoride?

Back

The chemical formula for nitrogen trifluoride is NF₃.

Front

What is the difference between ionic and molecular compounds?

Back

Ionic compounds are formed from the electrostatic attraction between ions, while molecular compounds are formed from covalent bonds between nonmetals.

Front

How do you determine the name of a binary ionic compound?

Back

To name a binary ionic compound, combine the name of the metal (cation) with the name of the nonmetal (anion) and change the nonmetal's ending to '-ide.'

Front

What is the significance of prefixes in naming molecular compounds?

Back

Prefixes indicate the number of atoms of each element in a molecular compound. For example, 'di-' means two, and 'tri-' means three.

Front

What is the formula for aluminum chloride?

Back

The formula for aluminum chloride is AlCl₃.

Front

How do you write the formula for a compound containing a polyatomic ion?

Back

To write the formula for a compound with a polyatomic ion, combine the cation and anion, ensuring the overall charge is neutral.