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Periodic Table Information
Bonding
Reactions
Equations
Periodic Table Families
100
The verticle columns on the periodic table
What are groups?
100
The only part of the atom involved in bonding
What are valance electrons?
100
A chemical reaction in which heat is released
What is an exothermic reaction?
100
This means produce, yeilds or equals in a chemical equation
What is the arrow?
100
Elements in this family are chemically stable
What are Noble Gases?
200
The number of periods on the periodic table
What are 7?
200
The type of bond formed when atoms share valence electrons
What is a covalent bond?
200
An example of this type of reaction is an egg cooking
What is an endothermic reaction?
200
These are listed on the left side of the yeild sign
What are the reactants?
200
These elements are nicknamed the "salt formers"
What are Halogens?
300
The number of protons an atom will have if its mass number is 137 and its atomic number is 56
What is 56?
300
The type of bond formed when electrons transfer from one atom to another
What is an ionic bond?
300
The nuclear process where the atom's nucleus is split apart
What is nuclear fission?
300
These are used to balance chemical equations
What are coefficients?
300
Elements in this family have properties such as being malleable, lusterous, and ductile
What are Transition Metals?
400
The number of neutrons an atom will have if its mass number is 64 and its atomic number is 29
What is 35?
400
A bond formed between two or more nonmetals is usually a ___________ bond
What is covalent?
400
This is required to start a chemical reaction
What is Activation Energy?
400
In chemical equations, the number of atoms for each element in the reactants and the number of atoms for each element in the products must ________
What is equal?
400
These are the most reactive family of metals
What are Alkali Metals?
500
The modern periodic table is arranged by increasing atomic number. ________ is credited with this arrangement.
Who is Henry Moseley?
500
Ions made of more than one atom
What is a polyatomic ion?
500
This law states that matter is neither created nor destroyed; it mere changes form
What is the Law of Conservation of Matter(Mass)?
500
The balanced equation for H2 + O2 --> H2O
What is 2H2 + O2 --> 2H2O?
500
These elements have properties of metals and nonmentals
What are Metalloids?