Atoms and Atomic Number
Math, Math and more Math
Quantum Numbers
Conversion factors
Electron Configurations
100
This has a atomic molar mass of 16.00
What is oxygen?
100
A piece of stone has a mass of 24.595 grams and a volume of 5.34 cm3. What is the density of the stone? (Use sig figs)
What is 4.61 g/cm3
100
The shape of this orbital is a clover
What is the d orbital
100
I am Avogadro's number.
What is 6.0223 x 10^23
100
1s2 2s2 2p6 3s2 3p4
What is the electron configuration of sulfur?
200
This has a atomic molar mass of 85.47
What is rubidium?
200
What is the approximate energy of a photon having a frequency of 4.00 × 10^7 Hz? (h = 6.626 × 10^−34 J⋅s)
What is 2.65 x 10^-26?
200
The values of l that represent the p orbital
What is 1
200
How many atoms are in 0.450 mole of Fe.
What is 2.710 atoms?
200
[Ar] 3d5 4s1
What is the electron configuration of chromium?
300
I have 15 protons and 13 neutrons.
What is Nickel?
300
Boron has two naturally occurring isotopes, 10B and 11B. We know that 80.22% of its atoms are 11B, atomic weight 11.009 amu. From the natural atomic weight given on the inside front cover, calculate the atomic weight of the 10B isotope.
What is 10.01 amu?
300
The maximum number of electrons that can be in the 3d sublevel.
What is 10
300
How many moles of potassium (K) atoms are in 3.04 grams of pure potassium metal.
What is 0.0778 mol K?
300
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f1 5d1
What is the electron configuration of lanthanum?
400
The atomic number of an element is the number of ______________ in its nucleus
What is protons?
400
A photon is emitted from an atom with an energy of 4.25 x 10^-19 J. What is the wavelength of the photon?
What is 467 nm?
400
The possible values of mL if n=4 and l=2?
What is -2,-1,0,1,and 2
400
How many grams are 10.78 moles of Calcium (Ca).
What is 432.1 g Ca
400
The electron configuration for Mn
What is 1s2 2s2 2p6 3s2 3p6 3d5 4s2
500
With an atomic mass of 70 and 35 neutrons in my nucleus, I am a very reactive halogen.
What is Bromine?
500
A new element, Tyserium (Ty), has recently been discovered and consists of two isotopes. One isotope has a mass of 331 g/mol and is 35.0 % abundant. The other isotope is 337 g/mole and is 65.0 % abundant. This would be its molar mass on the periodic table.
What is 335 g/mol
500
The number of electrons which can satisfy these quantum numbers: n=3, l=2, and ml=-2
What is 10
500
How many atoms are in a 3.5 g sample of sodium (Na).
What is 9.15×1022 atoms of Na
500
This element is the most expensive of the rare earth metals. 1 g of it can be purchased for $90. It's electron configuration is [Xe] 4f7 6s2
What is Europium (Eu)?
M
e
n
u