The true statement concerning the atomic nucleus is:
It contains protons, neutrons, and electrons.
It takes up most of the volume of the atom.
It contains most of the mass of the atom.
It is made up of electrons only.

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.

3. which is not a primary color of light? blue red green yellow