List 2 potential negative impacts that extraction of gold has on the environment?

What is the subscript for oxygen in its molecular formula

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

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