Which sample contains a total of 3.0 x 10^23 molecules? select one: a. 80 g of br2 b. 4.0 g of he c. 4.0 g of h2 d. 14 g of li

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?