Chapter 7 Electronic Structure. Waves. Waves are periodic disturbances – they repeat at regular intervals of time and distance. Properties of Waves. Wavelength ( l ) is the distance between one peak and the next . Frequency ( n ) is the number of waves that pass a fixed point each second.
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where h is Planck’s constant, 6.626×10-34 J·s.
where h is Planck’s constant, p is momentum, m is mass, and v is velocity.
(mass of the runner is 52 kg)
(x) (mv) Uncertainty
l 0 1 2 3 4 5 etc.
letter s p d f g h etc.
(a) n = 4, l = 1, ml = 0
(b) n = 2, l = 2, ml = -1
(c) n = 5, l = 3, ml = +3
where Z is the charge on the nucleus.
1s < 2s < 2p < 3s < 3p < 4s < 3d < 4p
< 5s < 4d < 5p < 6s < 4f < 5d < 6p < 7s < 5f < 6d
1s2 2s2 2p1
Fe: 1s2 2s2 2p6 3s2 3p6 4s2 3d6→ [Ar] 4s2 3d6
[Kr] 5s2 4d9; instead, it is
[Kr] 5s1 4d10.