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1
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This forms when two or more atoms are bonded together.
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3
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The negative charged sub-atomic particles.
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5
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Anything that has mass and takes up space.
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7
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Energy of things like x-rays, light, microwaves, radio waves, infrared waves.
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9
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The energy of motion or position of matter.
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11
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The amount of matter that something is made of.
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12
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The smallest particle of an element.
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13
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The measure of gravitational pull on an object.
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15
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Form of matter.
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17
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The positive charged sub-atomic particles.
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20
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Substance made of two or more elements that are chemically combined in a set ratio.
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21
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These properties can be observed or measured without changing the identity of the matter.
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24
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The energy from the breaking or forming of bonds.
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25
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Neutral sub-atomic particles.
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26
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A pure substance that cannot be broken down into a simpler substance by any chemical or physical means.
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