Concept Check
Naming & Writing Ionic Compounds
Naming & Writing Molecular Compounds
Chemical Reactions
Writing & Balancing Chemical Equations
100
What is a chemical reaction?
A change in matter that produces new substances with new properties.
100
Name the following compound: LiF. Why is it an ionic compound?
Lithium Fluoride
It is an ionic compound because the first part of the name is a metal ion whereas the second part of the name is a non-metal ion.
100
Name the following compound: CO. Why is it a molecular compound?
Carbon monoxide. It is a molecular compound because both parts of the name are non-metals.
100
What are two ways to tell that a chemical reaction has occurred?
1) change in energy
2) change in colour (products is different colour from reactants)
3) gas is formed (bubbles, odour)
4) precipitate is formed (solid subtance when two clear solutions are mixed)
100
Name the diatomic elements. (Hint: "diatomic 7")
1) hydrogen
2) nitrogen
3) oxygen
4) fluorine
5) chlorine
6) bromine
7) iodine
200
What is the term used for substances that react together in a chemical reaction?
Reactants
200
Write the chemical formula for calcium chloride.
CaCl(2)
200
Quick learning check: What is the difference between an ionic compound and a molecular compound?
Ionic compounds= first part of the name is a metal ion whereas the second part of the name is a non-metal.
Molecular compounds= both parts of the name are non-metals.
200
Predict whether a chemical reaction has occurred for the following process: Frying chicken. If yes, state the evidence.
Yes. Evidence: odour
200
Write the following word equation as a chemical formula:
sodium chloride ----> sodium + chlorine
NaCl ----> Na + Cl(2)
300
What Town did Mr. Clements grow up in
Richmond
300
Write the chemical formula of aluminum oxide.
Al(2)O(3)
300
What is the prefix for 7
Hepta-
300
What is your name?
What is your quest?
What is your Favorite colour?
sure
300
when balancing what part of the equation are we changing
The coefficient
400
Identify the information listed for the element beryllium:
a) symbol
b) atomic number
c) number of protons
d) number of electrons
a) Be
b) 4
c) 4
d) 4
400
Name the following compound:
NaBr
Sodium bromide
400
Write the chemical formula of sulfur dioxide
SO(2)
400
What type of reaction is this?
copper + silver nitrate ----> silver + copper nitrate
Single displacement reaction
400
Balance the following equation:
___ K + ___ Br(2) ----> ___ KBr
2 K + Br(2) ----> 2 KBr
500
Name of the 17th group containing fluorine
Halogen
500
What are Mr. Clements' Main teaching subjects (4)
Physics
Chemistry
General Science
Math
500
Write the chemical formula for carbon tetrachloride.
CCl(4)
500
What type of chemical reaction is this?
Water ----> hydrogen + oxygen
Decomposition reaction
500
Balance the following chemical equation:
___ S + ___ O(2) ----> ___ SO(3)
2 S + 3O(2) ----> 2 SO(3)
600
Name one of the two main acids and their chemical formula, that create acid rain.
Sulfuric acid ----- H2SO4
Carbonic Acid ---- H2CO3
600
Write the chemical formula of potassium sulfide.
K(2)S
600
Name the following compound: NO. Is this a molecular compound?
Nitrogen monoxide. Yes it is a molecular compound because both nitrogen (N) and oxygen (O) are non-metals.
600
How can you turn NaCl ----> Na + Cl (a decomposition reaction) into a synthesis reaction?
Flip it.
Na + Cl ----> NaCl
600
Balance the following chemical equation:
___ As + ___ O(2) ----> ___ As(2)O(5)
What type of reaction is this?
4 As + 5 O(2) ----> 2 As(2)O(5)
This is a synthesis reaction.
700
What is the difference between a Lewis dot diagram vs. a Lewis dot structure
Single element / Ion
vs.
Compound
700
Write the chemical formula for Ammonium Nitrate
NH4NO3
700
Who is this?
Cleopatra
700
The products of a reaction weigh 27g. The mass of one of the reactants is 11.4g, what is the mass of the other reactant?
15.6g
700
How can I determine the products of an incomplete equation
determine the type of reaction likely to occur using knowledge of the reactants.
use this understanding to fill in products.