Name of the fundamental particle whose relative charge is -1.

Name the subatomic particle whose relative charge is:
(a) +1
(b) -1
(c) 0

Name three fundamental particles of an atom. Give the symbol with charge, on each particle.

(a) Name the three fundamental particles of an atom. Give the symbol and charge of each particle.

(b) Draw the orbital diagram of ${}_{20}^{40}C{a}^{2+}$ ion and state the number of three fundamental particles present in it.