Question

The mass of an atom is ________________________.

a.)distributed uniformly throughout the atomic sphere.
b.)concentrated in the electrons.
c.)divided equally between the nucleus and the electrons.
d.)concentrated in the nucleus.

Answer 1

The answer is D I had this as one of my questions.

Step-by-step explanation:

Answer 2

I'd say d.) Concentrated in the nucleus.

This is because Nucleus consists of protons and neutrons; contributing to some mass, whereas Electron's mass is almost negligible ( 9.1 x 10^-31 kg)

Hope this answers your question!