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Atom Words- Sara Lan
Term | Definition |
---|---|
Model | A representation of data |
Atom | the basic unit of matter; the smallest unit of an element |
Nucleus | a mass in an atom that contains protons and neutrons; the nucleus is positively charged |
Proton | positively charged particles that are found in the nucleus of an atom |
Neutron | particles in an atom's nucleus that have no charge |
Electron | negatively charged particles on the outside of an atom |
Atomic Number | the number of protons in the nucleus in an atom of a given element |
Atomic Symbol/Nuclear Symbol/ Chemical Symbol | a 1,2, or 3 letter agreed as a code for a chemical |
Subatomic Particles | a particle smaller than an atom (e.g. neutrons, protons, and electrons.) |
Molecule | the smallest physical unit of an element or compound |
Lewis Structure | diagrams that show the bonding between atoms and molecules |
Bohr Model | electrons go around the nucleus at set distances |
Electron Shell | a grouping of electrons surrounding the nucleus of an atom |
Valence Electron | an electron that is linked with an atom can be involved with forming a chemical bond |
Matter | that which has mass; solids, liquids, and gases |