How are atoms grouped on the periodic table

Rutherford's experiment indicated that matter was not as uniform as it appears what part of his experimental results implied this idea

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.

What is formed when amino acids form long chains or polymerize