Respuesta :
Electron revolves around the nucleus. Protons, neutrons are called nucleons because they form nucleus of the atom. Quarks are the fundamental particles which combines to form neutrons, protons and other particles.
Hence electron is the answer.
Hence electron is the answer.
A chemical substance which cannot be found in the nucleus of an atom is: C. quark.
What is an atom?
An atom can be defined as the smallest, fundamental, indivisible unit that comprises the matter which forms all chemical elements.
The subatomic particles of elements.
Generally, the nucleus of an atom comprises three (3) distinct subatomic particles and these include the following;
- Protons
- Neutrons
- Electrons
In conclusion, we can deduce that a quark is a chemical substance which cannot be found in the nucleus of an atom.
Read more on atoms here: https://brainly.com/question/377844