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| Anything that has mass and takes up space |
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| A substance that can't be seperated or broken down by chemical means. |
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| The smallest unit of an element that maintains the chemical properties of the element. |
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| Subatomic particle with a positive charge located in the nucleus. |
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| A subatomic particle with a negative charge |
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| A subatomic particle with no charge in the nucleus. |
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| A substance made up of atoms of two or more different elements joined by chemical bonds. |
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| A group of atoms held together by chemical forces. It is the smallest unit of matter able to exist by itself and have all the chemical properties of a substance. |
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| Atom or molecule that has gained or loss electrons and has a negative or positive charge. |
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| Attractive force between oppositely charged ions when electrons are traded between atoms and molecules. |
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| A bond where atoms share one or more electrons |
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| A combination of two or more substances that are not chemically combined. |
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| A homogeneous mixture of two or more substances uniformly dispersed throughout the mixture |
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| In an atom, the region of space where electrons move |
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| To find the mass number of an atom you |
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| Add the number of neutrons of the atom to the atomic number |
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| Chart used to classify elements |
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| State of matter that has no definite shape or volume |
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| Substance with a definite volume but no definite shape |
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| The physical state of matter that has a definite shape and volume |
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| Must be filled in order to have a stable atom |
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| Molecules made up of two or more atoms |
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| Atoms in all compounds are held together by forces called |
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| The written notation used to represent the relative atoms of each element in a compound |
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| The freezing of water is what type of change? |
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| Homogeneous mixtures include |
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| A fruit salad is what kind of mixture? |
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| Flammability is what type of property? |
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| If a mixture scatters light and does not settle upon standing it is a |
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| A suspension is what type of mixture? |
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| The mass of what subatomic particle is equal to the mass of a proton? |
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| Vertical arrangements on the periodic table |
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| The second energy level of an atom can hold how many electrons? |
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| Moving from left to right in a row of the periodic table metallic properties decrease or increase? |
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| The properties of a compound are the same as or different from the properties of the elements that make them up? |
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| Do not share molecules equally |
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| Do share electrons equally |
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