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11 Nov 2019
What is the wavelength of a photon of red light (in nm) whose frequency is 4.64 x 10" Hz? a) 646 nm b) 1.55 x 10 nm c) 155 nm d) 464 nm e) none of these Green light can have a wavelength of 512 nm. The energy of a photon of this light is a) 1.02 x 10 b) c) d) 5.12Ã10-7 J 3.88 Ã 10-19 J 5.86 x 1014 e) 2.58 x 10 Which of the following could not be a valid m quantum number for a 4forbital? a) 3 b) c)1 d) 2 e) 4 If 3, how many electrons can be contained in all the possible orbitals? b) 6 c) 14 d) 10 5. Which of the following pairs is incorrect? a) iodine trichloride, ICl, b) phosphorus pentoxide, P.Os c) ammonia, NH, d) sulfur hexafluoride, SF e) All of the above pairs are correct A scientist obtains the number 0.045006700 on a calculator. If this number actually has four (4) significant figures, how should it be written? a) 0.4567 b) 0.4501 c) 0.0450 d) 0.04500 e) 0.04501 6. 7. How many electrons can be described by the quantum numbers n 2,-2, m, 12 a) 0 b) 2 c) 6 d) 10 e) 14
What is the wavelength of a photon of red light (in nm) whose frequency is 4.64 x 10" Hz? a) 646 nm b) 1.55 x 10 nm c) 155 nm d) 464 nm e) none of these Green light can have a wavelength of 512 nm. The energy of a photon of this light is a) 1.02 x 10 b) c) d) 5.12Ã10-7 J 3.88 Ã 10-19 J 5.86 x 1014 e) 2.58 x 10 Which of the following could not be a valid m quantum number for a 4forbital? a) 3 b) c)1 d) 2 e) 4 If 3, how many electrons can be contained in all the possible orbitals? b) 6 c) 14 d) 10 5. Which of the following pairs is incorrect? a) iodine trichloride, ICl, b) phosphorus pentoxide, P.Os c) ammonia, NH, d) sulfur hexafluoride, SF e) All of the above pairs are correct A scientist obtains the number 0.045006700 on a calculator. If this number actually has four (4) significant figures, how should it be written? a) 0.4567 b) 0.4501 c) 0.0450 d) 0.04500 e) 0.04501 6. 7. How many electrons can be described by the quantum numbers n 2,-2, m, 12 a) 0 b) 2 c) 6 d) 10 e) 14
30 Sep 2023
Reid WolffLv2
19 Feb 2019
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