Chemical Reactions
Atomic Bonding
Types of Reaction
Hydrocarbons
Earth's Atmosphere
100
Catalysts
What is the name for a chemical that speeds up a chemical reaction?
100
Metallic Bonding
What kind of bonding holds metals together?
100
Thermal Decomposition
What is the name of a reaction that happens when hear begins to break a molecule's bonds?
100
Methane
What is the simplest hydrocarbon?
100
Nitrogen
What is the most abundant gas in Earth's atmosphere?
200
Heat and Pressure
What are two non-chemical things that can speed up a reaction?
200
Ionic Bonding
What kind of bonding holds a metal and a non metal together?
200
Displacement Reaction
What is the name of a reaction that happens when a more reactive chemical is mixed in with a less reactive chemical?
200
Pentane
What is the first Alkane to have a boiling point higher room temperature (would be liquid at room temp)?
200
20.95%
What is the percentage of oxygen in Earth's atmosphere?
300
Covalent Bonding
Which kind of bond is very strong and takes lots of energy to break? (It is found in carbon atoms bonded together)
300
Electrolysis
What is the name of the process that separates molecules using ionised electrodes?
300
Ethene
What is the simplest Alkene?
300
Carbon Dioxide
Which gas was added to the atmosphere by volcanoes and human activity?
400
Inhibitors
What are the chemicals that are used to slow down a chemical reaction?
400
Oxidation Reaction
What is the name of a reaction that requires oxygen to react (often resulting in combustion)?
400
Polymer
What is a hydrocarbon with many repeating atoms in a chain?
400
0.93%
Which percentage of Earth's atmosphere consists of Argon?
500
They stick together
What happens when two particles with sufficient energy collide with each other?
500
Double Bonding
Which kind of bonding uses 4 electrons rather than the usual 2?
500
Endothermic
What is a reaction that takes in energy often resulting in a lowering of temperature?
500
Plastics
What are polymers often used to make?
500
Helium
Which gas was first discovered not in Earth's atmosphere, but by viewing the Sun with a spectroscope?
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