Which of the following materials is the best choice for an insulating material?

a; silver metal
b; steel bars
c; rubber

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он

Which of the following units is not an official si unit? mole liter kilogram ampere

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.