1. Wavelength, Frequency, Speed & Energy Worksheet c = λ ν ν = c / λ λ= c / ν. E
= hv. E = h c/λ c = speed of light (3.0 x 108 m/s) λ = wavelength ν = frequency.
Wavelength, Frequency, Speed & Energy Worksheet c=λν
ν=c/λ
λ= c / ν
E = hv
E = h c/λ
c = speed of light (3.0 x 108 m/s) λ = wavelength ν = frequency E = energy h = Planck’s constant (6.6262 x 10-34 J•s) 1. Calculate the λ given the ν of radiation is 5.10 x 1014 s-1
2. Calculate the frequency of red light with λ = 6.50 x 10-7m
3. The more I shave my face, the shorter my beard is an example of a inversely proportional or directly proportional relationship? __________ 4. The more I lift weights, the stronger I become, is an example of an inversely proportional or directly proportional relationship. ___________ 5. The longer the wavelength, the _____________ the frequency, is an _____________ relationship 6. Which color has the longest wavelength?_____________ 7. Which color has the shortest wavelength?_____________ 8. On the EM Spectrum, which type of wave has the longest wavelength? _________________ 9. On the EM Spectrum, which type of wave has the shortest wavelength? _________________ 10. What is the energy of x- radiation with a 1 x 10-6m wavelength?
11. What is the energy (Joules) of Violet light with a frequency = 7.50 x 1014 s-1.
12. The higher the frequency, the _______________ (higher / lower) the energy. This is an example of a/an _________________ (inverse/direct) relationship. 13. The higher the wavelength, the _______________ (higher / lower) the energy. This is an example of a/an _________________ (inverse/direct) relationship. 14. Which color has the most energy?_____________ 15. Which color has the least energy?_____________ 16. On the EM Spectrum, which type of wave has the most energy? _________________ 17. On the EM Spectrum, which type of wave has the least energy? _________________
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Building Schrodinger’s Quantum Mechanical Model 1. Classical Physics: a. ______________________________________________________________ b. ______________________________________________________________ c. ______________________________________________________________ ______________________________________________________________ 2. Neils Bohr a. ______________________________________________________________ b. ______________________________________________________________ c. ______________________________________________________________ ______________________________________________________________ 3. Dual Nature of Light a. ______________________________________________________________ b. ______________________________________________________________ c. ______________________________________________________________ d. ______________________________________________________________ e. ______________________________________________________________ 4. Photoelectric Effect a. ______________________________________________________________ b. ______________________________________________________________ c. ______________________________________________________________ d. ______________________________________________________________ 5. Louis DeBroglie a. ______________________________________________________________ b. ______________________________________________________________ c. ______________________________________________________________ d. ______________________________________________________________ 6. Quantum Physics a. ______________________________________________________________ b. ______________________________________________________________ c. ______________________________________________________________ ______________________________________________________________ 7. Heisenberg Uncertainty Principle a. ______________________________________________________________ b. ______________________________________________________________ c. ______________________________________________________________ 8. Erwin Schrodinger Equation a. ______________________________________________________________ b. ______________________________________________________________ c. ______________________________________________________________
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Electron Configuration & Orbital Filling Diagram WS Using the Long Method, give the Electron Configuration: 1.
Magnesium (Mg):________________________________________________________
2.
Potassium (K):__________________________________________________________
3.
Lithium (Li):____________________________________________________________
4.
Nickel (Ni):_____________________________________________________________
Identify the following Elements: 5.
1s 2s
2
2
2p :_________________
2
6.
1s 2s
2
2
2p :_________________
7.
[Ar] 4s 3d 4p :______________
8.
[Kr] 5s 4d :__________________
6
2
10
2
1
5
Orbital Filling Diagrams 9.
1s
2s
2p is the element _______________
11.
1s
2s
2p
3s
3p
4s
3d element _______
12. C
13. Ni (short cut) Identify the following elements: 2
2
12. ________ 1s 2s 2p
4
2
2
6
2
5
2
2
6
2
6
13. ________ 1s 2s 2p 3s 3p
2
9
14. ________ 1s 2s 2p 3s 3p 4s 3d 2
3
15. ________ [Ne] 3s 3p 2
10
2
6
6
16. ________ [Ar] 4s 3d 4p 17. ________ [Kr] 5s 4d
Determine the Electron Configuration using the short Method: 18. sulfur [
]____________________________________________________________________________
19. strontium [
]_________________________________________________________________________
20. bromine [
]__________________________________________________________________________
21. zirconium [ 22. molybdenum [
]_________________________________________________________________________ ]__________________ ____________________________________________________
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Electron Configuration Review 1. The s orbital is _______________ shaped, appears in ________ ( a number) shape/s, and can hold ____ e-. 2. The p orbital is _______________ shaped, appears in ________ ( a number) shape/s, and can hold ____ e-. 3. The d orbital is _______________ shaped, appears in ________ ( a number) shape/s, and can hold ____ e-. 4. The f orbital is _______________ shaped, appears in ________ ( a number) shape/s, and can hold ____ e-. 5. The Aufbau Principle states that ______________________________________________________________ 6. Hunds Rule states that _____________________________________________________________________ 7. Pauli exclusion principal states that ____________________________________________________________ 8. In the electron cloud model, ______ percentage of electrons are predicted to be located in the cloud/orbital. 9. Valence electrons are __________________ e- and Core electrons are __________________ e2
2
6
2
6
2
10
6
2
10
10. 1s 2s 2p 3s 3p 4s 3d 4p 5s 4d
3
5p is: __________________________________________________ 1
11. What element has its outermost electron is 7s ? __________________________________________________ 12. Fluorine - Long e- config: __________________________________________________________________ Short e- config: _________________________________________________________________ Orbital filling diagram ____________________________________________________________ 13. Silicon - Long e- config: __________________________________________________________________ Short e- config: _________________________________________________________________ Orbital filling diagram ____________________________________________________________ 14. Gold - Long e- config: _______________________________________________________________ Short e- config: _________________________________________________________________ 15. Xe - Long e- config: _______________________________________________________________________ Short e- config: _________________________________________________________________ 16. U short e-config: __________________________________________________________________________ 17. Oxygen long e-config: ______________________________________________________________________ 18. Ba short e-config: __________________________________________________________________________ 19. Pb long e-config: __________________________________________________________________________ 20. Label the adjacent pictures as highest longest highest highest
& & & &
lowest frequency shortest wavelength lowest energy lowest amplitude
21. The formula E = hc/λ λ, energy and wavelength are _______________ proportional. 22. The formula E = h v, energy and frequency are _______________ proportional: 23. Wavelength and frequency are ____________related. As one _________ the other ________. 14
24. Calculate the wavelength given the frequency of radiation is 6.10 x 10 Hz
4
-7
25. Calculate the frequency of light with wavelength = 2.50 x 10 m
26. What is the energy of cell phone radiation with a 1m wavelength?
14
-1
27. What is the energy (Joules) of Violet light with a frequency = 7.50 x 10 s .
28. The formula λ = h/mv stated that it was now possible to calculate the ________ of an electron given its mass and velocity. 29. The height of the wave_________________________ 30. The distance between two crests_________________________ 31. The number of cycles per second_________________________
32. The primary characteristics of waves are ____________, ____________, ___________ 33. List the types of electromagnetic radiation: _______________, _______________, _______________, _______________, _______________, _______________, _______________, _______________, 34. photons are: __________________________________________________________ 35. The dual nature of light deals with light as __________and light as ___________: 36. Einstein used the photoelectric effect to prove that light has __________. 37. Another name for the Quantum Mechanical Model is the ________________________________ 38. In the Quantum Mechanical Model,______ percent of electrons are predicted to be located in the
electron cloud 39. When absorbed energy, electrons go from the ground state to the excited state. As they return to the ground state, they release their energy in the form of:____________________________ 40. According to quantum mechanics, subatomic particles move in ________-like motions: 41. Red color _____________ all colors ___________ its own. 42. Which color of light has the most energy: _______________ Why?_________________________________________________________________________ 43. Which color of light has the least energy: _______________ Why?_________________________________________________________________________ 44. Which color of light has the highest frequency: _______________ 45. Which color of light has the longest wavelength? _______________ 46. Violet light has more energy than red light because ………..
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