Naming and Formulas

Front

What is the formula for sodium sulfide?

Back

Na₂S

Front

What is the chemical formula for aluminum bromide?

Back

AlBr₃

Front

Identify a compound from the following: Co, O₂, C, CO₂.

Back

CO₂

Front

What does S²⁻ represent in terms of chemical species?

Back

sulfide

Front

What is the name of the compound with the formula K₃N?

Back

potassium nitride

Front

What is the difference between ionic and covalent compounds?

Back

Ionic compounds are formed by the transfer of electrons, while covalent compounds are formed by the sharing of electrons.

Front

What is the significance of subscripts in a chemical formula?

Back

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

Front

How do you determine the charge of a monatomic ion?

Back

The charge of a monatomic ion is determined by the number of electrons lost or gained compared to the neutral atom.

Front

What is the formula for potassium nitrate?

Back

KNO₃

Front

What is the name of the compound with the formula CaCl₂?

Back

calcium chloride