Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Shapes of orbitals are an approximate representation of boundaries in space for finding electrons occupied in that respective orbital. D orbitals are known to have a clover leaf shape or dumbbell inside where electrons can be found.
Question
Transcribed Image Text:Directions: For each question, write the letter for the best
the blanks below
1. 275 nm light causes the emission of electrons from a metal. What happens when the light intensity is increased
(A) The energy of each photo-electron increases
(B) The number of photo-electrons increase
(C) Both A and B
(D) Nothing changes
+ Put answer here!
2. Which observation/experiment shows that light sometimes behaves like a particle?
(A) The photoelectrie effect
(B) Black Body Radiation
(C) The de Broglie Relation
(D) The ultraviolet catastrophe
3. Which observation/experiment shows that electrons sometimes behave like waves?
(A) The photoelectric effect
(B) Black Body Radiation
(C) The de Broglie Relation
(D) The ultraviolet catastrophe
4. As the length of a conjugated dye increases, the energy of the light absorbed
(C) stays the same
(D) It depends on the identity of the dye
(A) increases
(B) decreases
5. Which of the following have the lowest zero point energy when trapped in a 1-D box: (Hint: zero point energy means the nI stm
(A) hydrogen
(B) helium
(C) Xenon
(D) F1
6. What has the largest de Broglie wavelength (assuming they all have the same velocity)?
2=
(A) hydrogen
(B) helium
(C) Xenon
(D) F2
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