Valence
Bohr
Allotropes
Ionic Bonds
Covalent Bonds
Periodic Trends
Electron Configurations
100
This group of metals all have 2 valence electrons.
The alkaline earth metals.
100
Contrary to the Bohr model, electrons do not actually do this.
What is orbit the nucleus?
100
Diamonds are an allotrope of this element.
What is Carbon?
100
This popular seasoning is an example of an ionic crystal.
What is Sodium Chloride?
100
This these types of elements form covalent bonds.
What are non-metals?
100
Electronegativity generally decreases on the periodic table in this direction.
To the Left and Down.
100
1s2 is the electron configuration for this element.
He
200
This second period element has easily forms four bonds.
What is carbon?
200
This has happened to an electron that moves from n=1 to n=2.
It has absorbed a photon.
200
This is a highly unstable allotrope of Phosphorus.
What is white phosphorus?
200
This happens to electrons when forming an Ionic Bond
What is, they are fully transfered?
200
A pair of equal and opposite charges is also known by this name.
What is a dipole?
200
This Noble Gas describes a type of color is often associated with the pop culture of the 1980's.
What is Neon?
200
This is the electron filling diagram for this element: 
What is Nitrogen
300
This family of elements don't easily react with most others due to their 8 valence electrons.
What are the Noble Gasses?
300
This is the minimum amount of energy that an electron can absorb or release.
What is a Photon?
300
This allotrope of Oxygen is the component of the stratosphere that protects us from harmful ultraviolet radiation.
What is ozone?
300
In a ionic bond formed between magnesium and chlorine, these ions would form in these quantities.
1 Mg2+
2 Cl1-
300
This property of covalent compounds determines how "sticky" they are.
What is polarity?
300
This section of the periodic table is where the aufbau diagram becomes non-linear in nature.
What is the d-block or transition metals?
300
This element has the following electron filling diagram: 
What is sulfur?
400
Due to there single valence electron, this group of elements can react violently in water.
What are group 1 alkali metals?
400
This formula determines the number of electron a given energy shell can hold.
What is 2n2?
400
This element forms allotropes commonly used in semiconductors for computers, and town names in California.
What is Silicon?
400
Many of these metals are capable of forming multiple ions.
What are the transition metals?
400
These covalent bonds carry a charge and can form an ionic bond with other ions.
What are polyatomic ions?
400
Sludge was the precursor to this genre of popular 90's music.
What is Grunge?
400
This is the Noble Gas configuration for Molybdenum.
What is [Kr] 4d55s1
500
These electronegative non-metals are halogens that reside in this group of the periodic table.
What is group 17 or VII?
500
This energy level can theoretically hold 98 electrons.
What is the 7th energy level?
500
Nanotubes of carbon are composed of this allotrope.
What is graphene?
500
Though they are good insulators as a solid, when in solution or molten form ionic compounds are excellent at this physical property.
What is conductivity?
500
Compared to ionic bonds, this physical property of covalent bonds is much lower.
What is boiling/melting point. Conductivity is also acceptable.
500
The atomic radius decreases in this general direction on the periodic table.
What is up and to the right?
500
The pseudovalence of this element causes a the following noble gas configuration: [Ar] 3d104s1
What is copper?