Concept
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 type of reaction is this? copper + silver nitrate ----> silver + copper nitrate
Single displacement reaction
100
Write the following word equation as a chemical formula: sodium chloride ----> sodium + chlorine
NaCl ----> Na + Cl(2)
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
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
What type of chemical reaction is this? Water ----> hydrogen + oxygen
Decomposition reaction
200
Balance the following equation: ___ K + ___ Br(2) ----> ___ KBr
2 K + Br(2) ----> 2 KBr
300
What is WHMIS and what does it stand for?
WHMIS (Workplace Hazardous Materials Information System)
300
Name the following compound: NaBr
Sodium bromide
300
Write the chemical formula for carbon tetrachloride.
CCl(4)
300
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)
300
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.