What do I need to know for the “Descriptive Chemistry Unit?”

What do I need to know for the “Descriptive Chemistry Unit?”
This review page will have the following setup
o
What you need to know in the first bullet

Example question in the second bullet
Time to begin the review
o
MEMORIZED the symbols and names for “50” of the most commonly used elements
in chemistry


o
MEMORIZED the symbols, charges and names for “15-20” of the most common
ions and polyatomic ions used in chemistry


o
What is the symbol(s) and charge for the following ions/polyatomic ions
Iron (II)
Chromate
Nitrate
What is the name for the following ions/polyatomic ions
CO3-2
Cu +2
OH-
WRITE an (empirical or molecular) formula when given a compounds name or vice
versa


o
What is the symbol for the following elements
Sodium
Silver
Potassium
What is the element name for the following symbols
F
Cu
P
What is the formula for the following substances
Tin (II)chromate
Sulfuric acid
Silver chloride
Nitrogen dioxide
Sodium chlorate
What is the name for the following substances
CO
CuCO3
AgNO3
PbI2
O2
REPRESENT states of matter in a balanced equation with subscripts beside a
chemical formula

What is the abbreviation used for the following states of matter
Solid
Liquid
Gas
Aqueous
o
DESCRIBE the “three” indicators that a chemical reaction (change) occurred



o
DEFINE the terms products and reactants and DETERMINE who the products and
reactants are in a “word equation”

o
Indicator one is ……?
Indicator two is ……?
Indicator three is ……?
Who are the products and reactants in the following word equation- “Oxygen gas and solid potassium chloride can be
generated by the heating of solid potassium chlorate in a test tube?”
Reactant(s) are by name:
Reactant(s) are by formula:
Product(s) are by name:
Product(s) are by formula:
Who are the products and reactants in the following word equation- “A gummy bear {sucrose, C12H22O11} when placed into
the mouth of a test tube containing heated potassium chlorate burns into carbon dioxide and water”
Reactant(s) are by name:
Reactant(s) are by formula:
Product(s) are by name:
Product(s) are by formula:
DETERMINE the category of reaction when given a “word equation”

What category of reaction does the reaction from the previous bullet fit into and why?
Does the first reaction in the previous bullet fit into decomposition, synthesis or combustion and why?
Does the second reaction in the previous bullet fit into decomposition, synthesis or combustion and why?
o
STATE the law of conservation of mass and USE the atomic theory to explain the law.

o
o
DEFINE the terms subscript and coefficient and USE them to WRITE a balanced
chemical equation for a “word equation”




Define subscript.
Define coefficient.
Changing which of the two above changes the formula of a compound and why?
Balanced equation for reaction “#1”?

Balanced equation for reaction “#2”?
WRITE a balanced chemical equation for a “word equation”

o
What happens to the number of atoms during a chemical reaction and how does this explain the law of conservation of
mass?
Write a balanced equation for the following word equation “a copper wire when placed into a test tube containing a solution
of silver nitrate has a shiny crystalline substance “grow on it” and the solution goes from colorless to blue?
DETERMINE the spectator ions in a reaction and WRITE a net ionic chemical
equation for a “word equation”



What does a spectator do at a sporting event? What does a spectator ion do during a chemical reaction?
Who watched the reaction in the reaction from the previous bullet?
Write a net ionic equation for reaction from the previous bullet.