Sarver Unit 2 Matter Review

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.

Front

How many atoms are in one molecule of CaCO3?

Back

5

Front

What is the total number of atoms in one molecule of NaHCO3 (baking soda)?

Back

6

Front

What elements make up carbon dioxide (CO2)?

Back

Carbon and oxygen.

Front

What happens when two or more atoms bond together?

Back

A new substance forms that has different properties from the original.

Front

How many protons are in an atom of oxygen?

Back

8

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the difference between an atom and a molecule?

Back

An atom is the smallest unit of an element, while a molecule is made up of two or more atoms bonded together.

Front

What is a chemical bond?

Back

A chemical bond is the force that holds atoms together in a molecule.

Front

What is the formula for baking soda?

Back

NaHCO3