Which of the following factors affects the strength of the gravitational force between two objects? the shape of the objects the composition of the objects the temperature of the objects the distance between the objects

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.

What type of reaction fuels the processes seen here?

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.