Question

help

Answer 1

1.) Protons are located inside the nucleus, which makes that choice incorrect.
Here's a diagram/photo that can further evident my statement.

Answer 2

2.) Protons and Electrons are located in the nucleus, which makes this correct.
Use the diagram above to evident my statement.

Answer 3

3.) Electrons do have a mass. Here's the electrons' mass.

Answer 4

4.)Obviously we cannot see atoms with the naked eye.
So makes option D. Incorrect.

Answer 5

So, dumbing this down. We are left with option B.) I hope this helps.