Discovered that light is quantized, consisting of packets of energy - and now has a constant named after him
Planck (1900)

Light is made of what particle?
photons
What does plancks constant (h) equal?
Give magnitude and unit.
h = 6.626*10-34 J*s
The volume of space that an electron occupies around the nucleus is called what?
an orbital

This rule states that electrons must fill lower energy orbitals before filling higher energy orbitals.
Aufbau principle
Received Nobel Prize in physics for explaining the photoelectric effect; probably one of the most recognized scientist.
Einstein (1905)

What is the speed of light? Give magnitude and unit.
3x108 m/s
What model of the atom is depicted here?

Bohr model
What are the 4 types of orbitals?
s, p, d, f
What is the unabbreviated electron config of lithium, Li.
1s22s1
Proposed the first quantum model of the atom with electrons orbiting around the nucleus at distinct energy levels; very common model
Bohr (1913)

The speed of light (c) equals what parameters of a light wave?
c = λν (wavelength and frequency)
What is the maximum number of energy levels (shells) an atom can have?
seven
Which orbital has the highest amount of energy?
f orbitals

Draw the orbital box diagram and electron configuration for carbon?
1s22s22p2
Proposed that particles with mass can also behave like waves; also developed an equation to describe them.
Louis de Broglie (1924)

As the wavelength of light increases, what happens to the frequency?
Decreases
How many different sublevels are there
4
What orbitals are located in the 2nd shell?
Give name and number of each.
s orbital
px, py, and pz orbitals

What is the abbreviated electron config of zirconium, Zr?

[Kr] 5s24d2
Developed an equation to describe electrons as standing waves; and cats.....
Erwin Schrödinger (1926)
What phenomenon is depicted here?

photoelectric effect
What do the variables "m" and "v" represent in the following equation?

mass and velocity of an object
How many electrons can fit in the 3rd shell (energy level) of atoms?
18 electrons

What is this element [Kr] 5s24d105p5
iodine
Philosopher that suggested matter was made of indivisible units he called "atomos".
Democritus (~400 BC)

What is the speed of a microwave?
Give magnitude and unit
3*108 m/s
What is the unit for energy?
joules, J
What orbitals are shown below?

s orbital (left) and p orbital (right)

What principle states that only two electrons can occupy an orbital?
Pauli exclusion principle
Discovered the electron; developed plum pudding model of atom.
J.J. Thomson (1904)

What is the top or highest part of a light wave called?
What is the crest
What is the unit for frequency?
Hz, s-1, 1/s
How many electrons can the 1st shell hold?
two
How many valence electrons does Radon, Rn, have?
eight
Discovered that an atoms mass and positive charge is concentrated at the center (nucleus), primarily by using his gold foil experiment.
Rutherford (1911)

Which color of visible light has the longest wavelength?
red
A quanta can be determined by looking at what part of the periodic table.
The period
How many electrons can the d-sublevel hold?
10 electrons
What is the unabbreviated electron config of beryllium, Be?
1s22s2
First to prove that matter was made of atoms.
Dalton (~1800)

Which color of visible light has the shortest wavelength?
violet
what type of light on the EM spectrum has the lowest amount of energy?
radio waves
How many sublevels are in the 3rd shell?
3
Which atom has the following electron config?
[Xe] 6s2
Barium, Ba
Determined the mass and charge of an electron, with his oil drop experiment.
Millikan
What portion of the EM spectrum contains visible light
The white light or visible light spectrum
What type of light on the EM spectrum has the highest amount of energy?
gamma rays
How many elctrons can the 4th shell hold?
32 electrons total
What is the electron config of phosphorus, P?
1s22s22p63s23p3