Question

Which statement is false? *

1.Ordinary chemical reactions do not involve changes in nuclei.

2.Atomic nuclei are very dense.

3.Electrons contribute only little to the mass of an atom.

4.The nucleus occupies nearly all the volume of an atom.

5.All sentences written above are false.​

Answer 1

Answer:

3) sentence is wrong false

Answer 2

Answer:

Statement 4 is false

Explanation:

The nucleus occupies nearly all the volume of an atom.