Chapter 10 Modern Atomic Theory and the Periodic Table
Chapter 10 Modern Atomic Theory and the Periodic Table
Chapter 10 Modern Atomic Theory and the Periodic Table
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<strong>10</strong>.4 Energy levels of electronBohr <strong>the</strong> energy of <strong>the</strong> electron is quantized<strong>the</strong> electron is restricted to only certainallowed energieswave-mechanics also predicts discrete principalenergy levels within <strong>the</strong> atom<strong>the</strong>se energy levels aredesignated by <strong>the</strong> letter nn: positive integeras n increases, <strong>the</strong> energy of <strong>the</strong> electronincreases, <strong>and</strong> <strong>the</strong> electron is found on averagefar<strong>the</strong>r from <strong>the</strong> nucleuseach principal energy levelis divided into sublevelsn = 1n = 2n = 31 sublevel2 sublevels3 sublevelseach of <strong>the</strong>se sublevels contains space forelectrons called orbitals7
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