Which subatomic particle plays the greatest part in determining the properties of an element? a. electron b. none of the above c. neutron d. proton

Proton

Explanation: An atom is made up of 3 fundamental particles: electrons, protons and neutrons. Electrons are negatively charged, protons are positively charged while neutrons have no charge. Protons and neutrons occupy the nucleus while electrons revolve round the nucleus. The number of protons in an atom is called the atomic number and must be equal to the number of protons for the atom to remain electrically neutral. It is the atomic number of an atom that determines the properties of an element and atomic number equals the number of protons in an atom.

c. is the answer

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