Question

63. Which statement is incorrect?
(a) Number of protons present in the nucleus of an
atom is known as its atomic number.
(b) Total member of protons and neutrons in nucleus
of an atom is known mass number
(c) Isotopes have different electrical charge on their
nucleus
(d) The electrons in outermost shell of an atom are
known as valence electrons.​

Answer 1

Answer:

(c) => Isotopes have different electrical charge on their nucleus.

Reason => Isotopes are electrically neutral because they have same number of protons and electrons which makes them neutral .

Explanation:

hope it helps you

Answer 2

Answer:.

c statement..

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