Which of the following is not true for atoms?

they are building blocks of matter
they are made of protons, neutrons, and electrons
they are able to be divided by a chemical reaction.
they are the smallest particle of any element.

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 diagram shows the ionic compound of magnesium oxide

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine