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State the atomic number and mass number of the element.
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Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
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Which characteristics affect ocean water’s temperature? check all that apply. depth location mass salinity waves
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State the atomic number and mass number of the element....
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