Atomic Structure Homework

100 Points

 

 

27.2-27.3 Photons and the Photo-electric effect

13 – 18, 22 – 26, 32, 36, 37, 38, 40, 41

 

24:  E = Pt = hf = hc/l

25:  eVo = hf +fo

32:  a) Kmax = hf - fo = hc/l - fo  b)  fo = fo/h

41:  Dl = lc (1-Cosq)

 

27.4  Bohr Model and Energy Levels

49 – 52, 54, 55, 63, 67

 

63:  a) E = hf   b) DKE = answer to part a – 13.6eV

67:  E = (13.6eV)Z2/n2   where Z = the atomic number = number of protons

 

28.1 – 28.3   Wave particle duality

1-5, 14, 16, 17, 20-23, 25, 31

 

4:  l = h/mv

14:  a) l = h/mv     b)  2pr where r = 0.529 x 10-10m which is the radius of the orbit

 

29.1 Alpha particle scattering and Rutherford model

1-5, 8-10

 

29.2 – 29.3   Radioactivity and half life

12, 14, 15, 21, 24, 25, 26, 28, 33

 

30.1 – 30.4  Nuclear Reactions including Conservation of mass number and charge and mass-energy equivalence

1-4, 9, 13, 25 – 29, 34-37

 

37:  Neutrinos have zero mass so E = pc = hc/l