Atom and Nucleus (1)

Science

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Atom

Originate from the word 'atomos' which means indivisible

Smaller particles in atom

Protons, electrons and neutrons

Atom is neutral

Number of protons and electrons are the same

Ion or charged particles

Produced when an atom loses or gains electrons

Positive ion

Cation

Negative ion

Anion

Atom that gains electron

Cation

Atom that loses electrons

Electron

Negatively charged particle

Proton

Positively charged particle

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