A reaction in which two or more substances react to form a single substance.
* DOUBLE JEOPARDY *
What is a synthesis reaction?
100
___ Sb + ___ Cl2 → ___ SbCl3
* the #s at the end are the subscripts.
What is __2_ Sb + __3_ Cl2 → __2_SbCl3
100
Classify this reaction:
MgCO3 → MgO + CO2
What is decomposition?
100
When naming covalent bonds, we must use prefixes. What is the prefix for 1, 2, 3, and 4?
* DOUBLE JEOPARDY *
What is mono, di, tri, and tetra?
100
The attraction between a metal cation and the shared electrons that surround it is this type of bond.
What is a metallic bond?
200
A reaction in which a compound breaks down into two or more simpler substances.
What is a decomposition reaction?
200
To balance an equation, we change the _____________, not the subscripts. We balance equations in order to uphold the law of conservation of _______.
* DOUBLE JEOPARDY *
What is the coefficient....mass
200
The compounds and elements located on the left side of the arrow in an equation, which undergo the change, are called this.
What are reactants?
200
A covalent bond is a chemical bond between two ________ in which atoms ________ a pair of electrons.
What is nonmetals, share?
200
Metals can be drawn through small holes to make wires because metals are _______.
What is ductile?
300
A reaction in which one element takes the place of another element in a compound.
What is a single-replacement reaction?
300
___ Mg + ____O2 → ___MgO
What is __2_ Mg + __1__O2 → __2_MgO
300
The elements and compounds on the right side of the arrow, which are the new products formed as a result, are called this.
What are products?
300
Metal atoms tend to ________ electrons and nonmetal atoms tend to _______ electrons when forming ionic bonds.
What is lose, gain
300
Two basic properties of the liquid phase are this. (Think about shape and volume.)
What is no definite shape but a definite volume? Liquids take the shape of their containers.
400
A reaction in which a substance reacts rapidly with oxygen, often producing heat and light. Oxygen is always a reactant, water is always a product.
What is __3_ Mg + ____ N2 → ____ Mg3N2 (synthesis)
400
A neutralization reaction can also be classified as this type of reaction.
These two substances are produced by a neutralization reaction.
What is a double replacement reaction. What is a salt and water?
400
The law of conservation of mass states that mass is neither __________ nor _________ in a chemical reaction.
The mass of the products is always _____ to the mass of the reactants.
What is created, destroyed --- equal ?
400
Iodine-131 is used to destroy thyroid tissue in the treatment of an overactive thyroid. The half-life of iodine-131 is 8 days. If a hospital receives a shipment of 200 grams of iodine-131, how much I-131 would remain after 32 days?
What is 12.5 grams?
500
A reaction in which two different compounds exchange positive ions and form two new compounds.