Question

which statement correctly describes part of the atomic model?
a. atoms are made only of protons and electrons.
b. the nucleus is made of protons and electrons.
c. protons are outside the nucleus.
d. electrons are outside the nucleus

Answer 1

The answer is D.  A is incorrect because neutrons are an integral part of atoms. B is incorrect because electrons can't be in the nucleus. C is false because protons are only outside the nucleus in antimatter.

Answer 2

Answer: D

Explanation:

In an atomic model of an atom, the nucleus consists of protons and neutrons while the electrons revolves round its orbitals outside the nucleus. The protons are positively charged while the electrons are negatively charged so as to counter electric charges and make the atom electrically neutral.