The binding energy of electrons in a metal is 294 kJ/mol. If 8.92 x 1024 photons of light with a frequency of 6.18 x 1014 Hz strike the metal surface, how many electrons are ejected from the metal? The answer is the number of electrons. Do not include units in the answer. Scientific notation is optional. To write scientific notation in Canvas, type "e" to replace "x 10". For example, "1 × 1014" is written “1e+14" in Canvas.
The binding energy of electrons in a metal is 294 kJ/mol. If 8.92 x 1024 photons of light with a frequency of 6.18 x 1014 Hz strike the metal surface, how many electrons are ejected from the metal? The answer is the number of electrons. Do not include units in the answer. Scientific notation is optional. To write scientific notation in Canvas, type "e" to replace "x 10". For example, "1 × 1014" is written “1e+14" in Canvas.
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter7: Quantum Theory Of The Atom
Section: Chapter Questions
Problem 7.120QP: Light with a wavelength of 405 nm fell on a strontium surface, and electrons were ejected. If the...
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Transcribed Image Text:The binding energy of electrons in a metal is 294
kJ/mol. If 8.92 x 1024 photons of light with a
frequency of 6.18 x 1014 Hz strike the metal
surface, how many electrons are ejected from the
metal?
The answer is the number of electrons. Do not
include units in the answer. Scientific notation is
optional. To write scientific notation in Canvas, type
"e" to replace "x 10". For example, "1 × 1014" is
written “1e+14" in Canvas.
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