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How many protons are in an atom of an element? How many neutrons? How many electrons? Use this game to practice the calculations!


What is the atomic mass of an element with 40 protons, 40 electrons, and 46 neutrons? answer choices. 80. 6. 86.


Which type of subatomic particles have the LEAST amount of mass? answer choices. protons. electrons. neutrons.


Jan 27, 2021 ... Atoms are composed of particles called protons, electrons, and neutrons. Take up the test below and see how much you understand about ...


Feb 21, 2017 ... This quiz tests your knowledge of Atoms, Protons, Neutrons and Electrons.


Practice finding the number of protons, electrons, and neutrons for different isotopes.


are nega$vely charged par$cles found in the electron cloud. a. Electrons b. Protons c. Neutrons d. Nucleus. 6. What is an isotope ...


Start studying Protons, Neutrons, Electrons (Quiz #2). Learn vocabulary, terms, and more with flashcards, games, and other study tools.


This page is an exercise in relating the number of protons, electrons and neutrons for an atom or monoatomic ion. When you press "New Problem", an atomic ...


3. Which of the three sub-atomic particles is the lightest? The proton. The neutron . The electron. 4. If atoms contain charged particles, why do they not have a ...