Common Element Signs
Periodic Table Definitions
Ionic and Covalent Bonds
Locations
History
100
C is the abbreviation for this element
What is Carbon?
100
This is the number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound. 
What is a subscript?
100
This is the transfer of electrons between elements. One metal and one non metal is needed.
What is an ionic bond?
100
These are the elements that are located in group eighteen.
What are noble gases?
100
This person developed the first periodic table.
Who is Dimitri Mendeleev?
200
Cl is the abbreviation for this element
What is Chlorine?
200
This makes, creates, and produces. It is the arrow in the middle of the chemical reaction.
What are yields?
200
This is when electrons are shared between two elements. Both of the elements have to be non metals.
What is a covalent bond?
200
These elements are located in group one.
What are the alkali metals?
200
Rutherford and Heins Geiger found out that these orbit around the nucleus.
What are electrons?
300
As is the abbreviation for this element
What is Arsenic?
300
The number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and products are involved.
What is a coefficient?
300
This is needed to make ionic bonds.
What are ions?
300
These elements are located in group two.
What are the alkaline earth metals?
300
In 1914, this was the first date that Rutherford found these located in the nucleus.
What are protons?
400
Xe is the abbreviation
What is Xenon?
400
In any chemical reaction, the mass of the products is always equal to the mass of the reactants.
What is the Law of Conservation of Mass?
400
This group is the one that forms covalent bonds.
What is group 2 or carbon's group?
400
These elements are located in group seventeen.
What are the halogens?
400
This guy discovered that the electrons move in discrete energy levels called orbitals.
Who is Bohr?
500
Sb is the abbreviation for this
What is Antimony?
500
This is the process during which chemical bonds between atoms are broken and new ones are formed. This produces one or more different substances.
What is a chemical reaction?
500
These are ions that are made up of two or more atoms that are being held together by covalent bonds. These ions can only pair with other ions of themselves to make an ionic bond.
What are polyatomic ions?
500
This group on the periodic table are the most reactive elements.
What are halogens?
500
This group of elements were first discovered and identified as group zero.
What are the noble gases?