16) the mass number of an element whose atoms have 12 protons and 13 neutrons is_
a) 12
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Chemistry, 07.11.2019 19:31 gcarter1203
16) the mass number of an element whose atoms have 12 protons and 13 neutrons is_
a) 12
b) 13c) 25 d) 12.5
Answers: 1
Chemistry, 21.06.2019 17:30
This is a mixture that has the same composition throughout.
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Chemistry, 22.06.2019 00:50
If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?
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Chemistry, 22.06.2019 05:30
Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?
Answers: 2
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