Atomic structure and cells

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5 Terms

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Element

substance which can't be broken down into simpler substance by ordinary chemical means

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Atom

smallest particle of element which retains its properties and characteristics

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Ion

atom which is positively or negatively charged through loss or gain of electrons

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Compound

substance which contains atoms of 2+ elements

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What do cells do?

1. utilise food, water and oxygen to make energy
2. synthesise new substances
3. grow and divide
4. produce and secrete specialised substances
differentiate to perform specialised tasks
undergo movement
die