Chemical Bonding and Reactions
What is a negative ion called?
Anion
What type of reaction has one reactant and two or more products?
Decomposition
What type of reaction is this? Cu(NO3)2 + Zn = Zn(NO3)2 + Cu
Single Replacement
What do you call the small number to the right of O2?
Subscript
What type of reaction has two compounds exchanging cations?
Double Replacement
What type of reaction is this? MgCl2 + NaOH = Mg(OH)2 + NaCl
Double Replacement
How are anions formed?
Nonmetals gain electrons
Balance this equation: __Na + __Cl2 = __NaCl
2Na + Cl2 = 2NaCl
What is a positive ion called?
Cation
What are the numbers used to balance equations called?
Coefficient
In a chemical reaction, the mass of products must be (less than, equal to, or greater than) reactants.
Equal to
This compound is composed of a metal cation and nonmetal anion. What is it?
Ionic Compound
The reactants are found on the (left or right ) side of the chemical equation.
Left
Metals (lose or gain) electrons to form a cation.
Lose
What is the law of conservation of mass?
Matter cannot be created or destroyed.
What is the chemical formula for Sodium Chloride?
NaCl
What is the name of the substance/s that are formed in a chemical reaction?
Product(s)
What type of reaction is this? K + O2 = K2O
Synthesis
Write the chemical name for N3O5.
Trinitrogen Pentoxide
Give another word for the arrow used in a chemical equation.
Yield sign