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Valence Electron Electron(s) located in the outer energy level (electron shell)
Atom smallest particle of an element that maintains the properties of that element
Electron A negatively charged particle in the electron cloud surrounding the atomic nucleus
Electron cloud The negatively charged space containing electrons that surrounds the atomic nucleus
Neutron A neutral Particle with no electrical charge within the atomic nucleus
Subatomic Particle A particle smaller than an atom, such as a proton, neutron, or electron
Periodic Table A conceptual model in which the elements are organized to their properties
Atomic Number The number of protons in the nucleus of an atom; used to determine an elements position in the periodic table
Proton A positively charged particle within the atomic nucleus; used to identify an element
Nucleus The positively charged center of an atom containing the protons and neutrons
Atomic Mass The Average mass of one atom of an element.
Electrical Charge A property of a subatomic particle
The Law of Conservation of Mass -matter neither be created nor destroyed. -The mass of reactants = the mass of products
Created by: KallyEvans