The Atom
This quantity refers to the number of protons in an atom and determines the atom's identity.
What is the atomic number?
What is Avogadro's number?
These are the three primary properties used to describe waves.
What are wavelength, frequency, and amplitude?
This is a major limitation of Bohr's model.
What is it is applicable only to one-electron systems?
OR
What is it violates the Heisenberg Uncertainty Principle?
What is 4 quantum numbers?
Strontium-87 has this many neutrons.
What is 49 neutrons?
This quantity allows you to convert between moles and grams.
What is molar mass?
A wavelength of 790 nm corresponds to this frequency.
What is 3.80 x 1014 Hz?
Rather than well defined orbitals, the quantum mechanical model places electrons in orbitals given by wave functions that describe the probability of finding an electron at a specific location in space, a property otherwise known as this.
What is electron density?
The relative abundances of an element's isotopes are needed to calculate this quantity.
What is average atomic mass?
A 61.3g sample of silver contains this many moles of silver atoms.
What is 0.568 moles?
Considering all possible transitions, a hydrogen atom with an electron beginning in the n = 5 orbit will have this many lines in the emission spectrum. Hint: Draw a picture of the Bohr model
What is 10 lines?
Following the aufbau principle, this is the order in which the orbitals through 4p will be filled.
What is 1s, 2s, 2p, 3s, 3p, 4s, 3d, and 4p?
Gallium has 2 major isotopes: Gallium-69 (68.9256 amu; 60.108%) and Gallium-71 (70.9247 amu; 39.892%). Calculate the average atomic mass of Gallium.
What is 69.723 amu?
This is the mass (g) of 1.52 moles of vanadium.
What is 77.4 g?
A quantum of energy with a frequency of 5.10 x 1014 Hz possesses this much energy.
What is 3.38 x 10-19 J?
This is the change in energy of an n = 5 to n = 2 transition.
How many total electrons in a generic atom can be described by n = 3; ml = 1
What is 4 electrons?
Bromine has two major isotopes: Bromine-79 (78.918 amu) and Bromine-81 (80.916 amu). Given Bromine has a molar mass of 79.90 g/mol, calculate the percent abundance of Bromine-79.
What is 50.85%?
What is 4.67 x 1022 atoms?
This is the wavelength (in nm) of a photon with 4.54 x 10-19 J of energy.
What is 438 nm?
An n = 3 to n = 2 transition will emit a photon with this wavelength (in nm).
What is 657 nm?
This is the electron configuration (noble gas configuration) of Tungsten (W).