The atomic number of an element is the same as the number of electrons in each atom. neutrons in each atom. protons in each atom. neutrons plus electrons in each atom.

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.