Basic Chemistry Concepts

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Atom

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The smallest unit of a chemical element that retains its chemical properties.

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Proton

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A subatomic particle with a positive charge found in the nucleus of an atom.

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Electron

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A subatomic particle with a negative charge found in all atoms.

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Neutron

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A subatomic particle with no charge found in the nucleus of an atom.

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Energy

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The capacity to do work or produce heat.

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Element

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A substance that cannot be broken down into simpler substances by chemical means.

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Heat

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A form of energy associated with the movement of atoms and molecules in any material.

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Water

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A liquid compound made of hydrogen and oxygen (H₂O).

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Absorb

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To take in or soak up energy or a substance.

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React

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To undergo a chemical change due to the interaction with another substance.