50) It takes 208.4kJ of energy to remove 1 mole of electrons from an atom on the surface of rubidium metal. (1 mol electrons = 6.022x10^23 electrons). How much energy does it take to remove a single electron from an atom on the surface of solid Rubidium? What is the maximum wavelength of light capable of doing this?

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#50) It takes 208.4kJ of energy to remove 1 mole of electrons from an atom on the surface of rubidium metal. (1 mol electrons = 6.022x10^23 electrons). How much energy does it take to remove a single electron from an atom on the surface of solid Rubidium? What is the maximum wavelength of light capable of doing this? 

O
Chapter 2 Atomic Structure and Periodicity
50. It takes 208.4 kJ of energy to remove 1 mole of electrons from
an atom on the surface of rubidium metal. (1 mol electrons =
6.022 × 1023 electrons.) How much energy does it take to re-
move a single electron from an atom on the surface of solid
rubidium? What is the maximum wavelength of light capable
of doing this?
99c
0.3
19
51. It takes 7.21 × 10-¹⁹ J of energy to remove an electron from
an iron atom. What is the maximum wavelength of light that
can do this?
52. Ionization energy is the energy required to remove an electron
from an atom in the gas phase. The ionization energy of gold
is 890.1 kJ/mol. Is light with a wavelength of 225 nm capable
of ionizing a gold atom (removing an electron) in the gas
phase? (1 mol gold = 6.022 x 1023 atoms gold.)
53. Calculate the de Broglie wavelength for each of the following.
a. an electron with a velocity 10.% of the speed of light
b. a tennis ball (55 g) served at 35 m/s (~80 mi/h)
54. Neutron diffraction is used in determining the structures of
molecules.
at 1.00% of the
a. Calculate the de Broglie wavelength of
Transcribed Image Text:O Chapter 2 Atomic Structure and Periodicity 50. It takes 208.4 kJ of energy to remove 1 mole of electrons from an atom on the surface of rubidium metal. (1 mol electrons = 6.022 × 1023 electrons.) How much energy does it take to re- move a single electron from an atom on the surface of solid rubidium? What is the maximum wavelength of light capable of doing this? 99c 0.3 19 51. It takes 7.21 × 10-¹⁹ J of energy to remove an electron from an iron atom. What is the maximum wavelength of light that can do this? 52. Ionization energy is the energy required to remove an electron from an atom in the gas phase. The ionization energy of gold is 890.1 kJ/mol. Is light with a wavelength of 225 nm capable of ionizing a gold atom (removing an electron) in the gas phase? (1 mol gold = 6.022 x 1023 atoms gold.) 53. Calculate the de Broglie wavelength for each of the following. a. an electron with a velocity 10.% of the speed of light b. a tennis ball (55 g) served at 35 m/s (~80 mi/h) 54. Neutron diffraction is used in determining the structures of molecules. at 1.00% of the a. Calculate the de Broglie wavelength of
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