Which chemical equation correctly represents the formation of an ionic bond between sodium and chlorine? A. Na + Cl2 - Na+ + 2Cl"
B. 2Na + Cl2 - 2Na+ + 2C1
C. 2Na + Cl2 - 2Na+ + Cl"
D. 2Na + Cl2 - 2Na+ + Cl2-

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

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.