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Physical Science

periodic table and atoms

Model A drawn picture or structure
Atom The building block of everything living and non-living
Nucleus The control center of the atom
Proton A subatomic particle that has a positive charge
Neutron A subatomic particle that has no charge
Electron A subatomic particle that has a negative charge
Atomic Number The number of protons in an element
Atomic Symbol/Nuclear Symbol/Chemical Symbol A notation for an element consisting of letters
Subatomic Particle Particles that are smaller than atoms
Molecule A neutral group of two or more atoms that are held together by a chemical bond
Lewis Structure A diagram that represents the bond between a molecule and an ion
Bohr Model A model that represents an planetary model of an atom that shows the electrons orbiting the atom
Electron Shell The outer part of an atom that is around the nucleus
Valence Electron Electrons that are able to bond
Matter Anything in the universe that takes up space
Created by: ldboazman