1. Which statement is true about Mendeleev's periodic table? A.)It was not useful
B.)it was based on atomic number
C.)It contained 18 families
D.)None of the above

Refer to your lab guide and review the data in table b to complete each statement. the mass of g1 + g2 after the collision kg. the velocity of g1 + g2 after the collision m/s. the momentum of the combined gliders after the collision kg · m/s.