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An atom has 25 protons,20 neutrons, and 19 electrons. which atom is this, what is the atom's mass number?
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Chemistry, 21.06.2019 22:30
Ibeg i need 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?
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Chemistry, 22.06.2019 05:40
Why did southern business leaders want to increase the number of slaves
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Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.
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Chemistry, 22.06.2019 14:50
How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.
Answers: 1
An atom has 25 protons,20 neutrons, and 19 electrons. which atom is this, what is the atom's mass nu...
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