Writing Chemical Formulas and Naming Compounds

Front

What is the correct name for the compound Mg₃N₂?

Back

trimagnesium dinitride

Front

Which compound contains covalent bonds?

Back

N₂O₃

Front

What is the chemical formula for tetraphosphorus trisulfide?

Back

P₄S₃

Front

When adding a subscript to a polyatomic ion, what should you do?

Back

Put parentheses around the polyatomic ion before adding a subscript.

Front

What is the correct formula for phosphorous trichloride?

Back

PCl₃

Front

Define a chemical formula.

Back

A chemical formula is a way of expressing the composition of a compound using symbols for the elements and numerical subscripts to indicate the number of atoms of each element.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons from one atom to another, while covalent bonds involve the sharing of electrons between atoms.

Front

What is a polyatomic ion?

Back

A polyatomic ion is a charged species composed of two or more atoms covalently bonded together, which acts as a single unit.

Front

How do you name a binary ionic compound?

Back

Name the cation first (using its elemental name) followed by the anion (using the root of its elemental name plus the suffix '-ide').

Front

What is the significance of subscripts in a chemical formula?

Back

Subscripts indicate the number of atoms of each element in a compound.