Chemistry, 30.10.2021 01:00 MileenaKitana
What is the standard unit that astronomers use to measure the size of a star?
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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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Helium decays to form lithium. which equation correctly describes this decay?
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Which of the following is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6
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What is the molecular formula of ferrous nitrate and ferric nitrate
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What is the standard unit that astronomers use to measure the size of a star?...
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