Isotopes
What is the mass of an atom of carbon with 7 neutrons
13 amu
If you have a wave with a frequency of 3.00 x 10^14 Hz, what is the wavelength?
1000 nm
Carbon-12 (98.89%)
Carbon-13 (1.11%)
What is the average atomic mass?
12.011 amu
Argon
[Ne] 3s² 3p⁶
How do you calculate atomic mass?
protons + neutrons
What is the mass of an atom of Calcium atom with 24 neutrons
44 amu
If you have a wave with a frequency of 5.45 x 10^14Hz, what is the wavelength?
550nm
Boron-10 (78.54%)
Boron-12 (21.46%)
What is the average atomic mass?
10.42 amu
Carbon
[He] 2s2 2p2
What is an isotopes?
atoms with a different numbers of neutrons than protons
If a boron atom has a mass of 12 amu, how many neutrons does the atom have?
7 neutrons
If you have a wave with a frequency of 150 MHz, what is the wavelength?
2 m
Nitrogen-14 (92.34%)
Nitrogen-15 (3.87%)
Nitrogen-17 (3.79%)
What is the average atomic mass?
14.15 amu
Chlorine
[Ne] 3s² 3p⁵
What is the ground state of an electron?
Ground State: The lowest energy state of an atom
If a Zinc atom has a mass of 58 amu, how many neutrons does the atom have?
28 neutrons
What is the frequency of a wave with a wavelength of 640 nm?
4.68 x 10^14 Hz
Li-7 (2.74%)
Li-5 (62.37%)
Li-8 (34.89%)
What is the average atomic mass?
6.10 amu
Strontium
[Kr] 5s2
What is a photon?
Photon: light energy released to create color
If an atom has 38 protons and 35 neutrons. What is the mass of that atom and what is the element?
Strontium-73
Can a light wave have a frequency of 560 nm and a frequency of 4.00 x 10^14 Hz?
no, light travels at 3 x 10^8 m/s
Br-79 (74.3%)
Br-78 (2.4%)
Br-75 (10.2%)
Br-74 (13.1%)
What is the average atomic mass?
77.91 amu
Gold
[Xe] 6s¹4f¹⁴5d¹⁰
What color would be a wavelength of 650 nm be?
Red