Chemical Names and Formulas 2024

Front

What is a cation?

Back

A cation is a positively charged ion that has lost one or more electrons.

Front

What is an anion?

Back

An anion is a negatively charged ion that has gained one or more electrons.

Front

What is the formula for magnesium nitrite?

Back

Mg(NO₂)₂

Front

How do you predict the charge of an ion?

Back

The charge of an ion can be predicted based on its position in the periodic table; metals typically lose electrons and become cations, while nonmetals gain electrons and become anions.

Front

What are the products of the reaction NaOH + Fe(NO₃)₃?

Back

The products are NaNO₃(aq) + Fe(OH)₃(s).

Front

What type of reaction is Cr + S₈ → Cr₂S₃?

Back

This is a synthesis reaction.

Front

What is the charge of potassium in ionic compounds?

Back

Potassium typically has a charge of +1.

Front

What is the significance of subscripts in chemical formulas?

Back

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

Front

What is a chemical formula?

Back

A chemical formula is a way of expressing the composition of a compound using symbols and numbers.

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.