Which element is in the noble gas family?
A. Radon
B. Nitrogen
C. Iodine
D. Oxygen

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

What is the lowest number energy level where a d sublevel is found

The number at the end of an isotope’s name is the number.