Types of Chemical Reactions
Polyatomic and Molecular
Ions and Ionic Compounds
Acids and Bases
Periodic Table
100
What are the products and reactants for this equation:
CH4 + O2 ---> CO2 + H2O
Reactants: CH4 + O2
Products: CO2 + H2O
100
Which of the following is NOT a polyatomic ion?
- Carbon dioxide CO2
- Carbonate CO3
- Sulfate SO4
- Carbon dioxide CO2
100
What is a cation and what is an anion?
Cation = positive charge
Anion = negative charge
100
Is this the chemical formula for an acid or a base?
Mg(OH)2
It is a base because it has a hydroxide (OH)
100
Are the nonmetals on the left or right side of the periodic table?
The right
200
What kind of reaction is this?
ZnCO3 ---> ZnO + CO2
Decomposition
200
How is a covalent bond different from an ionic bond?
Covalent will involve sharing the electrons while ionic will have the electrons move from one atom to another
200
What is the name of this ionic compound?
Ca3P2
Calcium Phosphide
200
If something has a pH of 3, what can we say about that substance?
It is acidic
200
What is the name of group 17 of the periodic table?
Halogens
300
What are the two things that are made in incomplete combustion that complete combustion doesn't make?
Carbon Monoxide (CO) and Soot (Extra C)
300
Chlorate (ClO3) has a ion charge of 2- and ammonium ion (NH4) has a change of 1+
- What is the chemical compound of these two together?
(NH4)2(ClO3)
300
If the element Copper (Cu) has a charge of 2+ and it combines with a hydroxide (OH)-
What is the formula name for this compound?
copper (II) hydroxide
*Roman numerals are not on test*
300
In 2-3 points, how does acid rain occur?
- Chemicals from factories are released into the air
- The NO2, SO2, CO2 will mix with the clouds
- The clouds are now acidic and rain acid
300
How do you find the amount of neutrons of an elements - only using the periodic table?
#of neutrons = atomic mass - atomic number
(bottom number - top number)
400
When a neutralization reaction occurs, what other type of reaction is this comparable to?
Double Displacement Reaction
400
Draw two WHMIS symbols and write the name
- Flammable
- Corrosive
- Oxidizer
- Compressed Gas
- Explosive
- Toxic
- Health Hazard
400
How do we know if an ion is "happy"
The outer shell of electrons is full - and has a value of either 2 or 8
400
In a neutralization reaction, what does the acid always have and what does the base always have. Hint: these two things combined make water
Acids lose their hydrogen (H+)
Bases lose their hydroxide (OH-)
400
Draw the Bohr-Rutherford for Aluminum
- Atomic # 13
- Mass # 26.98
500
Balance this equation:
P4O10 + H2O --> H3PO4
1P4O10 + 6H2O --> 4H3PO4
500
Draw the sharing of electrons between 1 Carbon (C) and 4 Hydrogen (H)
Good job - definitely one of the hardest questions
500
Draw the transferring of electrons between Lithium (Li) and Fluorine (F)
Good job
500
What is the result of this neutralization reaction?
KOH + HCl ---> _____ + _____
KOH + HCl ---> HCl + H2O
500
What is one pattern/trend you notice as you go down the periodic table rows/periods?
The amount of electron shells/orbits increase