Sthe bond between se and br ionic or covalent

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 mass of sodium in 3 moles of sodium chloride

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude