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Vocabulary

WORD DEFINITION
Model A drawing or representation for an object or system
Atom A particle that creates matter
Nucleus A positively charged particle in the core of an atom
Proton A particle that's part of an atom's nucleus that has a positive charge
Neutron A particle that's part of an atom's nucleus that is neutrally charged
Electron A particle that is part of an atom that has a negative charge
Atomic Number The number of protons in the nucleus of an atom
Atomic Symbol The atoms of all the elements that are represented
Subatomic Particle Particles that are smaller than atoms and are either elementary or composite particles
Molecule A particle that is composed of two or more atoms
Lewis Structures A diagram that show the bonding between the atoms and the electrons in a molecule
Bohr Model The model that depicts the atom as a small, positively charged nucleus surrounded by electrons
Electron Shell An orbit followed by electrons around an atom's nucleus
Valence Electron An electron that is associated with an atom
Matter anything and everything that takes up space
Nuclear Symbol Consists of the symbol and atomic number of the element, and the mass number of the specific isotope
Chemical Symbol A notation of one or two letters representing the chemical element
Created by: Liliana CV