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Atomic Structure
Question | Answer |
---|---|
Atom | The smallest particle of an element that still has the properties of that element |
Nucleus | Dense center; Made of protons and neutrons; Positively charged |
Electron cloud | Space surrounding the nucleus; broken down into regions of space called “shells” or “energy levels” |
Proton | positive particle in the nucleus |
Neutron | neutral particle in the nucleus with protons |
Electron | negative particle outside of the nucleus in the electron cloud |
Atomic number | Tells the number of p+ in an atom of the element; Used to identify an element |
Symbol | Abbreviation for the name of the element |
Mass number |