more notes on Matter, Atom, Molecule and Ion
MatterMatter is anything that occupies space and has mass
Atom
The atom is the smallest, indivisible particle of an element. Atoms of the same element are exactly alike and are different from the atoms of all other elements.
Molecule
Molecules are the smallest particles of an element or compound that are made up of two or more atoms. Ions are particles that are charged due to loss or gain of electrons.
Ion
Ions which are positively charged are called cations. Ions which are negatively charged are called anions
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