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Parts of an Atom
Quantum Numbers
Electron Configuration
The Mole
Random
100
Determine the number of neutrons when the mass number is 137 and the atomic number is 56.
What is 81 neutrons
100
What are the two values s can be?
What is 1/2 and -1/2
100
Write the electron configuration for He.
What is 1s^2
100
Determine the mass in grams of 4.0 mol of Oxygen.
What is 64 grams
100
If n = 1, what are the values of l, m, and s?
What is l=0, m=0, s=1/2, -1/2
200
Determine the number of protons when the mass number is 103 and the number of neutrons is 58.
What is 45 protons
200
If n = 2 and l = 1, what is the value of m?
What is -1 to 1
200
Write the electron configuration of Si.
What is 1s^2 2s^2 2p^6 3s^2 3p^2
200
Determine the number of moles in 324 g of P.
What is 10.46 mol P
200
Determine the number of protons and neutrons when the mass number is 232 and the atomic number is 90.
What is 90 protons and 90 electrons
300
Determine the number of electrons of an element when the atomic number is 63 and has a charge of -3.
What is 66 electrons
300
What is the value of l if m = -5 to 5?
What is 0 to 5
300
What element corresponds to this configuration: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2
What is Ca
300
How many atoms of Cl are in 6.00 mol?
What is 3.61 x 10^24 atoms Cl
300
How many moles are in 26 g of Li?
What is 3.75 mol Li
400
Determine the number of electrons of an element when the atomic number is 55 and it has a charge of +1.
What is 54 electrons
400
What is the value of n if l = 0 to 7
What is n = 8
400
What element corresponds to the following configuration: [Kr] 5s^2 4d^6
What is Ru
400
How many moles of Al are in 9.21 x 10^24 atoms?
What is 15.3 mol Al
400
Write the electron configuration of Pr in shorthand notation.
What is [Xe] 6s^2 5d^1 4f^2
500
Determine the number of protons and neutrons of a neutral charged element with 81 electrons and a mass number is 204.
What is 81 protons and 123 neutrons
500
What are the values of l, m, and s when n = 3?
What is l = 0 to 2, m = -2 to 2, s = 1/2, -1/2
500
Write the electron configuration for Cd in shorthand notation.
What is [Kr] 5s^2 4d^10
500
How many atoms of K are in 163 grams?
What is 2.51 x 10^24 atoms K
500
How many grams of B are in 3.68 x 10^23 atoms?
What is 6.61 grams B