Ionic, Covalent, Metallic Bonding
What type of bond forms when two non-metal atoms share electrons?
Covalent
What is the chemical formula for calcium chloride?
CaCl2
Balance this equation:
Al + O₂ → Al₂O₃
4Al + 3O₂ → 2Al₂O₃
What type of reaction is represented by this general equation? A + B → AB
Synthesis
What is the minimum energy particles must have for a successful reaction to occur called?
Activation energy
Name the force that exists between cations and anions in an ionic bond
Electrostatic
What is the formula for aluminium oxide?
Al2O3
Balance this equation:
Fe + O₂ → Fe₂O₃
4Fe + 3O₂ → 2Fe₂O₃
Identify the precipitate in the following reaction:
Ba(NO3)2(aq) + Na2CO3(aq) → BaCO3(s) + 2NaNO3(aq)
BaCO3(s) or Barium Carbonate
State the 3 things that must occur for a chemical reaction to take place
Particles must:
Collide
With enough energy
In the correct orientation
Write the electron configuration a Calcium ion. (Atomic number of Calcium: 20).
Ca ion (2, 8, 8)
What is the formula for magnesium hydroxide?
Mg(OH)₂
Balance this equation:
K + H₂O → KOH + H₂
2K + 2H₂O → 2KOH + H₂
Name the 7 diatomic elements
Hydrogen, Nitrogen, Fluorine, Oxygen, Iodine, Chlorine, Bromine
(Have No Fear Of Ice Cold Beer)
What happens to particle movement when temperature decreases?
What type of bonding would you expect between magnesium and oxygen? Explain why.
Ionic. Magnesium is a metal, Oxygen is a non-metal
Write the formula for the covalent compound dinitrogen pentoxide.
N₂O₅
Balance this equation:
Al + HCl → AlCl₃ + H₂
2Al + 6HCl → 2AlCl₃ + 3H₂
When silver nitrate solution is mixed with sodium chloride solution, a solid forms. Given that all nitrates are soluble:
a. name the solid
b. what is this type of reaction called?
a. Silver chloride
b. Precipitation / solutions reaction / double displacement
Identify three ways to increase the frequency of collisions in a chemical reaction
Increasing:
Temperature
Surface Area
Agitation
Concentration
Pressure
What type of bonding occurs in a sample of copper, and what particles are free to move through the structure?
Metallic bonding; delocalised/free electrons
Write the formula and name for the bond that occurs when 6 Fluorine combine with 1 Sulfur
SF6 - Sulfur Hexafluoride
Balance this equation:
C₃H₈ + O₂ → CO₂ + H₂O
C₃H₈ + 5O₂ → 3CO₂ + 4H₂O
calcium carbonate → calcium oxide + ?
a. Name the missing product
b. What kind of reaction is this?
a. carbon dioxide
b. decomposition
Name the two forms of energy that particles have
kinetic energy (energy of motion) and potential energy (stored chemical energy in bonds)