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STAAR Atoms
atoms
Term | Definition |
---|---|
Proton | Positive particle in nucleus |
Electron | Negative particle in Cloud |
Electron Cloud | Surrounds nucleus |
Neutron | Neutral particle in nucleus |
Nucleus | Location of Protons & Neutrons |
Identifies the element | Proton Number |
Identifies element's chemical properties | Number of Valence Electrons |
Protons + Neutrons | Atomic Mass |
Atomic Number | Equal to the number of Protons or Electrons |
Mass - Atomic Number | Number of Neutrons |