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what is matter made up of
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| atoms join together to make what? |
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| what are living things made up of? |
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| atoms are the basic unit of what? |
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| who came up with the term atom |
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| came up with the idea that all matter could be broken down into small particles which couldn't be broken down any further |
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| atoms are made up of what? |
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| what is a protons charge? |
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| what is a neutrons charge? |
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| what is an electrons charge? |
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| whatever the amount of --- is thats the element listed under that number in the periodic table |
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| what number and above means radioactive |
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| what is an electrons AMU? |
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| atoms of the same element with a different number of neutrons |
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| electrons basically, have no what? |
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| the atomic mass is basically the amount of mass found in what? |
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| determines the age of rocks = what? |
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| determines the age of recent fossils (up to 50,000 years old) |
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| used as tracers to diagnose disease |
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| atoms of elements join together to make what? |
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| atoms of elements join together to make compounds to reach what? |
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| elements containing 1, 2, or 3 electrons in their outer energy levels react by what? |
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| elements containing 5, 6, or 7 electrons in their outer energy levels react by what? |
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| atoms chemically join together with other atoms to make what? |
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| atoms chemically join together with other atoms to make compounds to achieve what? |
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| stability means each atom has how many electrons in their outer energy level |
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| atoms transfer electrons so each atom has 8 electrons in its outer energy level |
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| atoms share electrons so each atom has 8 electorns in their outer energy level |
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| 7 diatomic occur naturally on the periodic table |
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