Atomic Structure
Atomic Theory
Protons, Neutrons, & Electrons
Electron Configuration
Vocab
100
This subatomic particle is neutral, or has no charge.
What is a neutron
100

Person who completed the Gold Foil Experiment

Who is Rutherford? 

100
helium
p - 2, n - 2, e - 2
100
This is the electron configuration of flourine.
What is 1s2 2s2 2p5?
100

the pattern formed when light passes through a prism to separate it into the different frequencies of light

What is atomic emissions spectrum? 

200
The number of protons gives us this value, which is unique for each element and determines its identity.
What is the atomic number?
200

Atoms cannot be divided, created, or destroyed.  Atoms of the same element are identical.  

Who is Dalton?

200
Flourine
p - 9,n -10,e - 9
200

Noble gas configuration of Calcium (abbreviated) 

What is [Ar]4s2 ?

200

a quantum mechanical property of electrons that can be thought of as clockwise or counterclockwise

What is spin? 
300
These two subatomic particles must be equal in number in order to make the atom neutral.
What are electrons & protons?
300
Used a cathode-ray tube to discover subatomic particles

Who is JJ Thomson 

300
Phosphorus
p - 15, n - 16, e - 15
300

the element with an electron configuration that ends in 2p6

What is neon?

300

The rule that electrons occupy the lowest energy level first

What is the Aufbau Principle? 

400
The two sub-atomic particles that make up the nucleus.
What are protons & neutrons?
400

Electrons travel in specifically shaped orbits

Who is Bohr? 

400
Chlorine - 37
p - 17,n - 20,e - 17
400

Noble gas configuration of Palladium (Abbreviated)

What is [Kr] 5s2 4d8 ?

400
Atoms with the same number of protons and a different number of neutrons, such as carbon-12, carbon-13, and carbon-14 are called this.
What are isotopes?
500
This particle is 1/1837 the a mass of a proton
What is an electron?
500

A mathematical explanation for the behavior of an electron

What is the quantum mechanical model? 

500

Barium +2

p- 56, e-54, n-81
500

Noble gas configuration of Bismuth (Abbreviated)

What is [Xe] 6s2 4f14 5d10 6p3 ?

500

•Each orbital of a block will get one electron before any get two

What is Hund's Rule? 
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