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Periodic Table
Matter
Atoms
Nomenclature
Chemical Reactions
100
The periodic table is arranged by this number.
What is Atomic Number?
100
This is the definition of matter.
What is anything with mass that takes up space.
100
These 2 sub-atomic particles are located in the nucleus of the atom.
What are Protons and Neutrons?
100

SO2

What is sulfur dioxide?
100
This is the type of reaction when two substances react to form 1 product. 
What is synthesis?
200
The is the name for the rows of the periodic table.
What are Periods?
200
This is the smallest unit of matter.
What are atoms?
200
The atomic number is the number of this sub-atomic particle.
What is Protons?
200
Calcium chloride

What is CaCl2?

200
These are things that would be considered evidence of a chemical reaction or change?
What are bubbles, gas produced, heat, light/fire, color change, odor?
300
The columns of the periodic table are called groups. They are arranged this way because they have this in common.
What is number of valence Electrons?
300
This is the smallest unit of a compound. 
What is a molecule?
300
The atomic mass is the sum of these 2 sub-atomic particles.
What are Protons and Neutrons?
300

Al2O3

What is aluminum oxide?
300
This type of reaction is occurs when a compound and an element react to produce a different compound and element. 
What is a single replacement?
400
What are the least reactive elements classified as?
What are Noble Gases?
400
These two sides of a chemical equation must be equal in types and numbers of atoms.
What are reactants and products?
400
Isotopes of the same element have different numbers of these.
What is Neutrons?
400

Se2O5

What is diselenium pentoxide?
400
This type of reaction is when a substance breaks down to produce simpler products. 
What is Decomposition?
500
What are the most reactive group of nonmetals called?
What are Halogens?
500
This is the explanation as to why chemical equations must be balanced. 
What is Matter cannot be created or destroyed (Law of conservation)?
500
These particles are responsible for an atom's ability to bond. (Be specific!)
What is VALENCE electrons
500
HBr
What is hyodrogen monobromide?
500
This type of reaction is when 2 compounds break apart during a chemical reaction and swap atoms to produce 2 new compounds. 
What is Double Replacement?