vocab 2.1-2.2 Word Scramble
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Term | Definition |
atom | a small partical that is a building block of matter |
compound | a substance made of two or more elements that are chemically joined in a specific combination |
elements | a substance made of only one kind of atom. |
heterogeneous mixture | a mixture in which the substances are not evenly mixed |
homogeneous mixture | a mixture in which two or more substances are evenly mixed, but not bonded together. |
matter | anything with a mass and takes up space. |
mixture | matter that can vary in composition. |
substance | matter with a composition that is always the same. |
atomic number | the number of protons in the nucleus of an element |
electron | the negatively charged particle...outside the nuceus |
electron cloud | the region surrounding an atom's nucleus that holds electrons. |
ion | an atom that a charge because it has gained or lost electrons. |
isotope | an atom of the same element that has a different number of neutrons. |
neutron | an uncharged particle in the nucleus of an atom. |
nucleus | the region at the center of an atom. |
proton | a positively charged particle in the nucleus of an atom. |
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mullemar1303
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