Chemistry, 16.10.2020 23:01 austintules2005
4.
Alkali metals are extremely reactive because they
O easily lose one valence electron to become stable
O easily gain one electron to become stable
O easily lose one proton to become stable
O have eight valence electrons, which is an unstable state
Answers: 2
Chemistry, 22.06.2019 09:00
At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure
Answers: 1
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
4.
Alkali metals are extremely reactive because they
O easily lose one valence electron to be...
O easily lose one valence electron to be...
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