5.1
How many electrons are held in the third energy level? (n=3)
18
_ stable > _ stable > _ stable
full; half; partially
Photons
How many visible lines does hydrogen produce?
7
What is the electron configuration of Au?
[Xe] 6s1 4f14 5d10
The amount of energy to move an electron from one energy level to another energy level.
Quantum
Electrons occupy the orbitals of the lowest energy first.
Aufbau's principle
When the electron has its lowest possible energy.
Ground state
3.33 x 10^-13 J
What is the electron configuration of W?
[Xe] 6s2 5f14 5d4
Who is the quantum mechanical model's mathematical solutions derived from?
Schrodinger
What category of elements can be used to write a condensed shorthand for electron configurations?
Nobel gases
It is impossible to know exactly both the velocity and the position of a particle at the same time.
Heisenberg uncertainty principle
What would be the orientation of 2p?
-1, 0, 1
Completely decompose Nb2(C2O4)3. (No balancing)
Nb + C + O2
How many variations of the d-shaped orbital(s) are there?
5
Spin is a quantum mechanical property of electrons and may be thought of as moving _ and _.
clockwise; counterclockwise
The visible light spectra is between _ and _ nm.
300; 700
How many 3p electrons are in 2.8 grams of P?
1.6 x 10^25 3p electrons
What is the relationship between frequency and energy? Show an equation to prove your solution.
Direct: E=hv
The amount of _ and _ electron gains or loses in an atom is not always the same.
energy; distance
What is the electron configuration of chromium?
[Ar] 3d5 4s1
Green light has a frequency of 6.01 x 10^14 Hz. What is the wavelength?
4.99 x 10^-7 m
_ _ predicted where electrons are going to be.
Coulumb's law
If an electron absorbs 3.85 x 10^-18 J to pop into a higher orbital, what wavelength of light does it emit when it returns to ground state? Is this in the visible spectrum?
5.20 x 10^-8 m; no