oxidation numbers
chemical naming
chemical formulas
types of reactions
box of chocolates
100
Negative oxidation numbers indicate that electrons have been _____.
What is gained
100
The two types of chemical bonds are
What is covalent and ionic
100
Use the chemical formula CaF2 to determine the number of calcium atoms in the compound.
What is 1
100
Mg + O --> MgO is an example of a _____ reaction.
What is synthesis
100
The oxidation number of nitrogen
What is -3
200
Noble gases do not gain or lose electrons. They do not participate in chemical bonding, so the oxidation number of noble gases is
What is 0
200
When naming chemical compounds, the ending of the second element changes to
What is "ide"
200
The chemical formula of sulfur dibromide
What is SBr2
200
A reaction in which one compound is broken up into two elements.
What is decomposition
200
Metals _____ electrons to form chemical bonds.
What is lose
300
The oxidation number of an atom that has gained 3 electrons to form a chemical bond
What is -3
300
An ionic bond is between these two types of elements
What is metal and nonmetal
300
The chemical formula of a compound composed of magnesium and chlorine
What is MgCl2
300
Name the four types of chemical reactions.
What is synthesis, decomposition, single replacement, and double replacement.
300
Chlorine has _____ valence electrons.
What is 7
400
An oxidation number that represents the loss of 1 electron in order to form a chemical bond
What is +1
400
When naming a covalent compounds _____ are used, but not with ionic compounds.
What is prefixes
400
The number of phosporhus atoms in the compound with the chemical formula P2S3
What is 2
400
MgO + S --> MgS + O is an example of a _____ _____ reaction.
What is single replacement
400
The subatomic particles that participate in chemical bonding (be specific).
What is valence electrons
500
The oxidation number of zinc in the chemical formula: ZnO
What is +2
500
The name of the compound composed of nitrogen and oxygen is
What is dinitrogen trioxide
500
The chemical formula of a compound with the name dihydrogen monoxide
What is H2O
500
AB + YZ --> AY + BZ represents a _____ _____ reaction.
What is double replacement
500
These elements can conduct heat/electricity, but only under certain conditions.
What is metalloids
M
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