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(Element A substance made up of only one kind of atom.…
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Element
A substance made up of only one kind of atom.
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Atom
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Half-life
The time taken for half of the radioactive atoms in a sample to decay.
take radio reaction off atoms
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Ion
A particle that is charged due to addition or removal of electrons from a neutral atom.
changes the particuals in atoms
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Ionic bond
A force between metallic and non-metallic particles due to attraction between positive and negatively charged ions.
metallic are attracted to ions
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Chemicual
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Chemical equation
A summary of the reactants and products in a chemical reaction.
your obsovation of the reaction from your reaction
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Acid
A substance that dissolves in water to produce hydrogen ions.
Causes chemical reactions
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Chemical reaction
A change that results in new substances being formed.
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Base
A substance that dissolves in water to produce hydroxide ions.
a acid plus a base = a water plus a salt
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Compound
A substance made up of two or more atoms joined by chemical bonds.
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