![]() ![]() Are negatively charged sub-atomic particles found in the energy levels.They are thought to probably prevent the positively charged protons from getting too close to each other.Are neutrally charged sub-atomic particles found in the nucleus of the atom.The number of protons in the nucleus is equal to the number of electrons in the energy levels.Are found in the nucleus and thus form part of the nucleons. ![]() Are the positively charged sub-atomic particles.The atom can still however be split into smaller particles termed the sub-atomic particles.Thus the energy level simple represents the region where the electrons are most likely to be found.Electrons are so small and move so fast that their path cannot be traced directly.The protons and the neutrons are together referred to as the nucleons.The nuclei of all atoms contain neutrons except the hydrogen atom.The positive charge is due to presence of protons.The nucleus contains two subatomic particles neutrons and protons.Is the positively charged part of an atom.It has an average diameter of 10 -8 cm with a nucleus of about 10 -13 cm.Refers to the smallest particle of an element hat can take part in a chemical reaction.Deriving the Chemical Formula of Compounds.Electron Transfer During Chemical Reactions.Placing an Element in the Periodic Table.Energy Levels and Electron Arrangements.Atomic Properties of the First 20 Elements.Notation of Atomic Number and Mass Number. ![]()
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