Subatomic Particle Com
Atom Protons Electrons Neutrons
3
3
4
R
3
3
3
Which of the following is true about the two atoms?
They have the same charge and same mass.
O They have different charges but the same mass.
They have different charges and different masses.
O They have the same charge but different masses.
How did planetesmals form planets? a. they broke apart into smaller chunks. b. they collided and stuck together. c. they cooled and pulled ice together. d. they began to rotate.