5. In which group of elements do most atoms have completely filled s and p velence sublevels? A) halogens B) noble gases C) alkali mctals D) alkaline earth metals

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

Which sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground

It is important to wear proper protective equipment in lab even when not actively performing experiments because accidents can affect any researcher, even one not working on an experiment. select the best answer from the choices provided