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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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When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.
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Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table
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