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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 of these features are formed when hot groundwater is forced out through cracks in the earth's surface?
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How many moles are equal to 2.4Ă—10^23 formula units of sodium chloride
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Describe the structure of ammonium lauryl sulfate. refer to the given diagram. your answer should include the type of bonding, the elements contained, and the size and shape of the molecule. write a short paragraph.
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Solid chromium (III) reacts with oxygen gas to form solid Cr2O3. What is this type of reaction?...
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