Question

Can someone answer this question? I have no idea what is happening here.

Answer 1

Hello friend according to me ,it should be the fourth option which is to show a comparison between the masses of nucleus and electron .

As we know the majority of the atom's mass is contained in the nucleus and that electrons revolve around the nucleus in their fixed orbits .

Here only the size of the nucleus and electron is clearly shown which makes clear that the image makes a comparison of the masses of the two .

Hence the answer is the fourth option .

Answer 2

Answer: Options 3, 4 & 5 (Since the questions says “conclusions”)   Explanation:    Why is option 3 correct ? Well, if you observe the diagram, the blue particles (electrons) in the energy levels are definitely smaller than the red and blue particles (protons and neutrons) concentrated at the center.    Why is option 4 correct ? The protons and neutrons being bigger than electrons contribute more to the total mass of the atom. Electrons have negligible mass on a relative sale and are hence not taken into account.    Why is option 5 correct ? Protons and neutrons are almost of the same size. It’s a fundamental fact ; but you could also infer it from the diagram provided.     Hope it helps ya