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Science Vocabulary Atoms

Dominique Davis 1B

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Across
4.the mass of an atom; being approximately equivalent to the number of protons & neutrons
6.particle with the same mass as a proton but with a neutral charge
7.a particle with a charge of negative electricity
8.the system of electrons surrounding the nucleus of an atom
Down
1.total number of protons & neutrons in a nucleus
2.the amount of protons in the nucleus of an atom; which determines its chemical properties and its periodic table placing
3.positively charged central core of an atom; with protons & nuetrons
4.the basic particlefrom which all elements are made
5.positive electric charge but with equal magnitude of an electron

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