What is an Atom?

From our bodies to the oceans and stars, everything is made of millions upon millions of tiny atoms. But what are atoms made of?

Chemistry - Atoms And Bonding - Learning Points.

The building blocks of all elements are called atoms.

Atoms are composed of three types of particles: protons, neutrons and electrons.

The number of protons and electrons balance.

The atomic number is the number of protons in an atom.
A Twig Curriculum Film.
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