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Chemistry

Atomic Elements

TermDefinition
Covalent Bond A Chemical bond formed when two atoms share electrons
Valence Electrons The electrons that are farthest away from the nucleus of an atom and are involved in chemical reactions
Isotope An Atom with the same number of protons and a different number of neutrons
Proton Small positively charged particles that are found in the nucleus of an atom
Mass Number The sum of protons and neutrons in the nucleus of an atom
Nucleus The central core of atom containing protons and usually neutrons
Atomic Mass The average mass of one atom of an element
Atomic Number The number of protons in the nucleus of an atom
Electron The tiny negatively charged high energy particles that move around outside of the nucleus of an atom
Ion An atom or group of atoms that have been electrically charged
Ionic Bond The attraction between oppositely charged ions
Neutron Small uncharged particles that are found in the nucleus of an atom
Mixture Two or more substances that are mixed together but are not chemically combined
Compound A substance made from two or more elements chemically combined in a specific ratio or proportion
Element Natural and has nothing combined with it
Created by: tmajmurray