molecules&compounds

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 a compound?

Back

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

Front

What is the chemical formula for water?

Back

H2O, which consists of two hydrogen atoms and one oxygen atom.

Front

What is the chemical formula for carbon dioxide?

Back

CO2, which consists of one carbon atom and two oxygen atoms.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms.

Front

What are the three subatomic particles of an atom?

Back

Protons, neutrons, and electrons.

Front

What charge do protons carry?

Back

Protons carry a positive charge.

Front

What charge do electrons carry?

Back

Electrons carry a negative charge.

Front

What is the nucleus of an atom?

Back

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

Front

What is the role of neutrons in an atom?

Back

Neutrons help stabilize the nucleus and do not carry any charge.