Chemistry Chegg Worksheet
workformyhomo
ENGR1540Worksheet4Chapter6.docxENGR 1540 Worksheet 4 Chapter 6
1. Calculate the wavelengths, in meters, of radiation of the following frequencies.
a. 5.00×1015 s-1
b. 2.11×1014 s-1
c. 5.44×1012 s-1
2. Find the energy of a photon with each of the following frequencies.
a. 15.3 THz
b. 1.7 EHz
c. 6.22×1010 Hz
3. Place there types of radiation in order of increasing energy per photon.
a. green light from a mercury lamp
b. X-rays from a dental X-ray
c. microwaves in a microwave oven
d. an FM music station broadcasting at 89.1 MHz
4. For photons with the following energies, calculate the wavelength and identify the region of the spectrum they are from.
a. 3.5×10-20 J
b. 8.7×10-26 J
c. 7.1×10-17 J
d. 5.5×10-27 J
5. For photons with the following energies, calculate the wavelength and identify the region of the spectrum they are from.
a. 6.0×10-19 J
b. 8.7×10-22 J
c. 3.2×10-24 J
d. 1.9×10-28 J
6. Various optical disk drives rely on lasers operating at different wavelengths, with shorter wavelengths allowing a higher density of data storage. For each of the following drive types, find the energy of a single photon at the specified wavelength.
a. CD, λ=780 nm
b. DVD, λ=650 nm
c. Blu-ray disc, λ=405 nm
7. How many orbitals correspond to each of the following designations?
a. 3p
b. 4p
c. 4px
d. 6d
e. 5d
f. 5f
g. n=5
h. 7s
8. Write the ground state electron configuration for
a. B
b. Ba
c. Be
d. Bi
e. Br
9. Which of these electron configurations are for atoms in the ground state? In excited state? Which are impossible?
a. 1s22s1
b. 1s22s22p3
c. [Ne]3s23p34s1
d. [Ne]3s23p64s33d2
e. [Ne]3s23p64f4
f. 1s22s22p43s2
