Which subatomic particle or particles are found in a "cloud" outside of the nucleus?
a. protons
b. neutrons
c. electrons
d. protons and neutrons

c. electrons

Explanation:

Using the method of elimination;

Option a - This is incorrect because the protons reside in the nucleus of the atom.

Option b - This is incorrect because the neutrons reside in the nucleus of the atom.

Option c - This is correct because Unlike protons and neutrons, which are located inside the nucleus at the center of the atom, electrons are found outside the nucleus.

Option d - This is incorrect beacuse both the protons and the neutrons resie in thr nucleus of an atom

they are both synthetic elements

explanation:

d

a:

by the combination of an unlimited number of elements