The simple model below is a neutral magnesium (mg) atom with the element’s most common mass number. what must happen to an atom of magnesium in order to become a magnesium ion mg+2? a. it must lose two neutrons and become a different isotope. b. it must gain two neutrons and become a different isotope. c. it must lose two electrons and become an ion. d. it must gain two electrons and become an ion. all i know is that it is not d
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Chemistry, 21.06.2019 17:00
An aqueous solution of hydroiodic acid is standardized by titration with a 0.186 m solution of calcium hydroxide. if 26.5 ml of base are required to neutralize 20.3 ml of the acid, what is the molarity of the hydroiodic acid solution? m hydroiodic acid
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Chemistry, 21.06.2019 22:30
Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m
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Chemistry, 22.06.2019 03:00
Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?
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The simple model below is a neutral magnesium (mg) atom with the element’s most common mass number....
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