Molecules

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

What is the chemical formula for water?

Back

H₂O

Front

What are the three main subatomic particles in an atom?

Back

Protons, neutrons, and electrons.

Front

What charge do protons have?

Back

Positive charge.

Front

What charge do electrons have?

Back

Negative charge.

Front

What charge do neutrons have?

Back

No charge (neutral).

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.

Front

Is H₂O a compound?

Back

Yes, H₂O (water) is a compound.

Front

What is the nucleus of an atom?

Back

The nucleus is the central part of an atom, containing protons and neutrons.

Front

Are all molecules compounds?

Back

No, not all molecules are compounds; for example, O₂ (oxygen) is a molecule but not a compound.