I have a friend who is looking for a gf 14-16 someone that likes to talk. 35674382909348576 x 65748392023945867

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

Word equation for k(s) +h2o(l) yield koh (aq) + h2

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas