Magnesium nitride weighs 100.95 g/mol
133/100.95 = 1.32 mols
Energy is not created or destroyed due to the law of Conservation of Energy. Hope this helps!
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I'm pretty sure the answer is C.
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This is true. A hot glass does look the same as a cold glass. Glass won't change its look if it's below 648 degrees Celsius.
18 electrons. With a -2 charge, that means it gains two electrons.
