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Chemistry, 22.06.2019 08:30
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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Chemistry, 22.06.2019 08:30
What are the first three quantum numbers for the electrons located in subshell 2s?
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Chemistry, 22.06.2019 13:00
Is 9 correct? and can someone me with 10? itβs due tomorrow, you
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Where in a data table should units of measurement be shown?...
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