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Chemistry

TermDefinition
Atom basic unit of a chemical element
Electron a stable subatomic particle with a charge of negative electricity
Energy level the fixed amount of energy that a system described by quantum mechanics
Isotope each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei
Leptons A subatomic particle, such as an electron, muon, or neutrino, that does not take part in the strong interaction.
Matter Physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
Neutron A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
Nucleus The central and most important group, forming the basis for its activity and growth, tant part of an object, movement.
Proton A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
Quark A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
Valence The combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine
Chemical Formula
Petrochemicals
Atomic Mass
Created by: 2020kbutler2
 

 



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