Chemistry, 10.12.2020 22:40 pearljammarow6ujs
Why do we not consider an alpha particle to be an atom? *
It is missing neutrons
It is missing protons
It does not have electrons
It has no mass
Answers: 2
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What is the mass of each element in a 324.8 sample of co2
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Chemistry, 22.06.2019 13:00
Lab reagent, hypothesis test.a reference solution used as a lab reagent is purported to have a concentration of 5 mg/dl. six samples are taken from this solution and the following concentrations are recorded: (5.32, 4.88, 5.10, 4.73, 5.15, 4.75) mg/dl.these six measurements are assumed to be an srs of all possible measurements from solution.they are also assumed to have a standard deviation of 0.2, a normal distributin, and a mean concentration equal to the true concentration of the solution.carry out a significance test to determine whether these six measurements provide reliable evidence that the true concentration of the solution is actually not 5 mg/dl.
Answers: 1
Chemistry, 22.06.2019 19:40
What type of electromagnetic waves does the human eye see as the colors red blue or green a visible light waves b radio waves c infrared waves d microwaves
Answers: 1
Why do we not consider an alpha particle to be an atom? *
It is missing neutrons
It is missin...
It is missin...
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