Vocabulary
Draw the chemical formula of a hydroxide
OH-
What is the name of NaCl
Sodium Chloride
What is a main goal when atoms are pursuing formation of compounds?
To have full octets
Fill in the 2 blanks: Halogens, like Flourine and Chlorine, are (happy or unhappy) because they have _____ electrons in their valence shells
Unhappy, 7
Name the type of reaction: When an acid and a base neutralize each other, and the products are a salt
Acid-Base Reaction
A compound in aqueous solution that neutralizes a base to form a salt and water
Acid
What is the difference between LiCo and LiICO
LiCo= Lithium & Cobalt
LiICO = Lithium, Iodine, Carbon, Oxygen
What are 2 ways atoms can create a more desirable arrangement of electrons
give or receive electrons to have a full octet
Balance:
CF4 + Br2 ---> CBr2 + F2
CF4 + Br2 ---> CBr2 +2 F2
In reactions, what is a precipitate/precipitation?
A solid that has formed and has come out of a solution during a chemical reaction
Distinguish between reduction and oxidation
Reduction: Gaining electrons
Oxidation: Losing electrons
Name KBr
Potassium Bromide
Out of this list, which is the most acidic? Basic?
Blood, hydrochloric acid, baking soda, sea water, sodium hydroxide
Most acidic: Hydrochloric acid
Most basic: Sodium hydroxide
Draw the Lewis Dot Structure for H2O
Write on board
What type of reaction is this?
C3H8 + 5O2 ---> 3CO2 + 4H2O
Combustion
Describe the difference between Covalent and Ionic Bonds
Covalent: 2 nonmetals, shares electrons
Ionic: 1 nonmetal + 1 metal, exchanges electrons
What is the formula for Calcium Chloride?
CaCl2
Is KOH an acid, a base, or a salt?
Base
What makes an acid a strong acid? (2 things) What makes a bas a strong base? (2 things)
Strong acid: low pH, lots of H+
Strong base: high pH, lots of OH-
Describe what a Redox reaction is
LEO the Lion says GER
A group of nonmetals covalently bonded together and possessing a net charge
Polyatomic Ion
Name this compound: SO2
Sulfur Dioxide
Create a chemical equation and label the important parts: Coefficients, subscripts, products & reactants
Products: right
Coefficients: big
Subscripts: small
Balance:
CO2 + H2O --> C6H12O6 + O2
6 CO2 + 6 H2O --> C6H12O6 + 6 O2
Rust forming