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A substance made of only one type of atom that cannot be broken down by chemical means
compound
element
electron
molecule
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The smallest basic unit of matter is a(n)
element
atom
molecule
speck
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A subatomic particle that has a positive charge and that is found in the nucleus of an atom
proton
neutron
electron
valence
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A subatomic particle that has no charge and that is found in the nucleus of an atom
electron
neutron
shell
proton
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A subatomic particle that has a negative charge and is found in the electron cloud orbiting the nucleus
proton
neutron
electron
atom
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An atom that has gained or lost one or more electrons
ion
electron
neutron
bond
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Substance made of atoms of different elements that are bonded together in a particular ratio
molecule
compound
charge
electron shell
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Two or more atoms held together by covalent bonds; not necessarily a compound
proton
quark
molecule
nucleus
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Chemical bond formed when two atoms share one or more pares of electrons
ionic bond
Bail bond
covalent bond
electron bond
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Attraction between a slightly positive hydrogen atom and a slightly negative atom
oxygen bond
hydrogen bond
carbon bond
calcium bond
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Process by which substances change into different substances through the breaking and forming of chemical bonds
molecular reaction
biological reaction
over reaction
chemical reaction
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Substance that is changed by a chemical reaction
reactant
rotation
restoration
relaxation
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Substance formed by a chemical reaction
reaction
molecule
product
proton
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Measurement of acidity; related to free hydrogen ion concentration in a solution
acid power meter
centimeter
pH
hydrometer
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Compound that donates a proton (H+) when dissolved in a solution
base
acid
proton giver
basic reaction
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Compound that accepts a proton (H+) when dissolved in a solution
acid
protein
base
amino acid