ATOMIC MODELS
ATOMIC MODELS
ATOMIC MODELS
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PRINCIPAL QUANTUM NUMBER<br />
• Symbol – n<br />
• Describes the main energy level occupied by the electron<br />
• A positive integer<br />
• Higher the energy level, the further from the nucleus<br />
• Max number of e- allowed in an energy level à 2n 2<br />
Energy Level Max Number of Electrons<br />
1 2<br />
2 8<br />
3 18<br />
4 32<br />
5 50
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