Atoms and Molecules

Front

What are atoms?

Back

Atoms are the basic building blocks of matter. They are the smallest units of an element and consist of protons, neutrons, and electrons.

Front

What are molecules?

Back

Molecules are groups of two or more atoms that are bonded together. They can be made up of the same type of atoms or different types.

Front

What is the nucleus of an atom?

Back

The nucleus is the central part of an atom where protons and neutrons are located.

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutrons are neutral particles that have no charge and are found in the nucleus of an atom.

Front

What are electrons?

Back

Electrons are negatively charged particles that orbit around the nucleus of an atom.

Front

What happens to molecules in a solid?

Back

In a solid, the molecules are close together and do not move around freely.

Front

What happens to atoms and molecules when matter is heated?

Back

When matter is heated, the atoms and molecules move faster.

Front

What is H2O more commonly known as?

Back

H2O is more commonly known as water.

Front

What is the electron cloud?

Back

The electron cloud is the region around the nucleus of an atom where electrons are likely to be found.