The mass number is
a. use the atomic number
b. mass number - atomic number
c. number of protons and neutrons in an atom

Name the element in group 17, period 2. (periodic table)

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

Consider the following multistep reaction: a b→ab(slow) a ab→a2b(fast)−−−−−−−−−−−−−−−−− 2a b→a2b(overall) based on this mechanism, determine the rate law for the overall reaction. express your answer in standard masteringchemistry format. for example, if the rate law is k[a]3[b]2 type k*[a]^3*[b]^2