Atomic nuclei consist of electrically positive protons and electrically neutral neutrons. These are held together by the strongest known fundamental force, called the strong force. The nucleus makes up much less than . 01% of the volume of the atom, but typically contains more than 99.9% of the mass of the atom.
The nucleus of an atom consists of:
A. electrons and neutrons
B. protons and neutrons
C. electrons and protons
D. all of the above
Atoms:
Atoms are considered the basic unit of matter. Atoms with the same atomic number belong to the same element. All the elements are organized onto the periodic table of elements.
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