Which number is different for isotopes of the same element? A number of electrons
B number of full shells
C number of nucleons
D number of protons

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

Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough