Chapter 1 review Word Scramble
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Question | Answer |
region at the center of an atom that contains most of the mass of an atom | nucleus |
an atom that has a charge because it has gained or lost electrons | ion |
the modern model of an atom is called the______model | electron-cloud |
Isotopes have the same number of protons but different numbers of________ | neutrons |
which particle in an atom has a positive charge | proton |
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nelsosal2702
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