Question

Which of the following statements is NOT true?


1.The particles which are present in an atom are known as subatomic particles.
2.The particles which are present in a nucleus are known as nucleons.
3.An alpha particle is a doubly ionized helium nucleus.
4.The mass of an electron is 1.80 × 10-19g.

Answer 1

Answer:

1 statement is wrong

Explanation:

because the

Answer 2

Answer:

1st one is wrong The particles which are present in an atom are known as subatomic particle