What do nonmetals and metals tend to do when they react? Nonmetals tend to lose protons while metals tend to gain protons.

Nonmetals tend to gain protons while metals tend to lose protons.

Nonmetals tend to gain electrons while metals tend to lose electrons.

Nonmetals tend to lose electrons while metals tend to gain electrons.

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

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.

The fact that the total amount of energy in a system remains constant is a(n)