Which is a function of a protein marcomolecule

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols

What energy is it when you flip on a switch on a lamp