Atomic strucutre
- 1. ProtonsHas a positive (+) chargeHas a relative mass of 1Determines the atomic numberFound inside the nucleus
- 2. NeutronsHas a relative mass of 1Found inside the nucleusCharge is = to zero
- 3. ElectronsHas a negative (-) charge
- 4. Has a relative mass of 0 (zero)
- 5. Found outside the nucleus
- 6. Equal to the # of protons in a neutral atomAtomic SymbolsMass number, ANumber of protons plus number of neutronsAtomic number, ZNumber of protons in the atom
- 7. IsotopesIsotopes are two atoms of the same elementSame atomic numberDifferent mass numbersNumber of neutrons is A-ZNumber of neutrons differs between isotopes