Question

Q. The neutron in an atom
(a) are part of nuclear charge.
(b) rotate about the nucleus in circular orbits.
(c) vary in number with different isotopes.
(d) are always equal in number to the total number of protons. ​

Answer 1

Answer:

Proton—positive; electron—negative; neutron—no charge. The charge on the proton and electron are exactly the same size but opposite. The same number of protons and electrons exactly cancel one another in a neutral atom.

Explanation: