Which part of the atom determines its chemical properties? a. electron b. neutron c. nucleus d. proton

Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?

What object a collides with object b and bounces back its final momentum is?

How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.