Unit 3 Test Review

Front

What is the chemical formula for dinitrogen monoxide?

Back

N₂O

Front

What is the formula for the compound formed when a potassium ion (K⁺) and a sulfide ion (S²⁻) unite?

Back

K₂S

Front

When do ionic bonds occur?

Back

When electrons are transferred.

Front

How many nitrogen and oxygen atoms are in one molecule of dinitrogen tetroxide?

Back

Two nitrogen atoms and four oxygen atoms.

Front

What is the correct formula for carbon tetrafluoride?

Back

CF₄

Front

Define ionic bond.

Back

An ionic bond is a type of chemical bond that occurs when electrons are transferred from one atom to another, resulting in the formation of charged ions.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve 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 molecule.

Front

What is the formula for sodium chloride?

Back

NaCl

Front

What is the chemical formula for water?

Back

H₂O