6. Identify hydrogen gas as either an oxidizing agent or a reducing age. In each equation below. Justify your respond.

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )