Instructions: type the correct answer in each box. use numerals instead of words.

a scientist identifies a particular atom as an atom of chlorine. the scientist also determines that the atom has no net charge. this atom has proton(s) and electron(s). this atom has electron(s) in its outermost energy level.

what are the blanks?

What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

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.

Which three statements represent the benefits of performing experiments using computer simulations?