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Physical Science
periodic table and atoms
Term | Definition |
---|---|
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 |