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Magnesium has 12 protons. how many electrons are in its second energy level?
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What stress will shift the following equilibrium system to the left? n2(g) + 3h2(g) ⇌ 2nh3(g) adding more n2(g) adding more nh3(g) increasing the pressure of the system reducing the volume of the container
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Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent
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Magnesium has 12 protons. how many electrons are in its second energy level?...
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