Explanation:
All substances of matter are made up of atoms. Atoms are the smallest indivisible particles that makes up matter.
Elements, molecules, compounds and mixtures are all combinations of different atoms.
An atom in itself is made up three important fundamental sub-atomic particles which are protons, neutrons and electrons.
From the video, any form of matter seen is made up of atom. Matter is anything that has weight and occupies space.
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John Dalton brainly.com/question/1979129
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