Question

Which of the following statements about atoms is true?

Answer 1

Answer:

d. All of the above three answers are correct

Explanation:

Atoms are themselves built up from many smaller particles. According to Rutherford's nuclear theory (1906), the neutron and proton make up the nucleus of the atom.  Atoms are electrically neutral because they contain the same number of electrons and protons. The size of atoms is about $10^{-10}$ meters. The fundamental particle of the atom is the electron.