If an element has the atomic mass (A) of 80 and its atomic number (Z) is 35, how many neutrons does it have? 42
35
45
79

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

In a chemical reaction at equilibrium, the rate of the forward reaction the rate of the reverse reaction. if the rate of the forward reaction more products are formed.

What are the chemical names of these compounds? ke: mg3n2: reset next