Fechar
What is an Element?
What is the Atomic Number?
What is the Mass Number?
What charge does a Proton, Neutron and an Electron have?
When does the Period Number and the Group Number tell us when drawing an atomic structure?
What groups show metallic properties for Non-Metal?
Who arranged the elements in columns and what order were they in?
What are the properties of Metals and Non-Metals?
What is a compound?
What happens in a chemical reaction?
What are the state-symbols?
What Charge does a metal and a non-metal have?
What is a Reactant and Product?
What is the equation for the combustion of methane in oxygen?
What is an Ore and Examples?
What two ways could metal be extracted from its ore?
What is Electrolysis?
"Below element X all elemts can be extracted by chemical reaction"
What is this element?
When is electrolysis used?
What does carbon do to when reacting with elements below it in the reactivity series?
What is Reduction and Oxidation?
Gold and platinum is reduced my carbon" True or False and Why?
What are the raw materials in the blast furnace and explain why is it used?
What are the 3 reactions in the blast furnace?
What are the issues that must be considered with extractions of metals from its ore?
What is the Electrolyte?
What is the Electrode?
Which electrode do metals ions go to and what happens there?
Which electrode do non-metal ions go to and what happens there?
What are the properties of Aluminium and uses?
What are the properties of Copper and uses?
What are the properties of Titanium and uses?
What is an Alloy and one example?
What is Nano-Science?
What is the size range of a Nano-Particle?
What are the properties of Nano-Sliver and its uses?
Whys are many people concerned of use of Nano-Particles?
Nano-Particles have same properties from the same materials at a larger scale, True or False
What are he properties of Chlorine and its uses?
What are he properties of Iodine and its uses?
What are he properties of Helium and its uses?
What are he properties of Neon and its uses?
What are he properties of Argon and its uses?
What are he properties of Oxygen and its uses?
What are he properties of Hydrogen and its uses?
What are the Advantages of Hydrogen as Fuel?
What are the Disadvantages of Hydrogen as Fuel?
What is the Test for Hydrogen and Oxygen?
What is the Test for Carbon Dioxide?
What is Fluoridation and what are the advantages and disadvantages of it?
What is Chlorination and what are the advantages to it?
What is the pH for Strong Acid, Neutral and Strong Alkali?
Name all the NEUTRALIZATION REACTIONS
What are Bases and what solution do they make?
What are the 3 Acids plus Chemical symbol?
What is Exothermic and Endothermic?
Why is Excess Metal added to an Acid?
What is crude oil?
What is a hydrocarbon?
What is the process called of splitting crude oil?
What is a fraction?
What do fractions have in common?
How are plastics made?
Example of a monomer used to make plastic
What is a monomer and a polymer?
What is polymerisation and how does it happen?
Why are monomers reactive?
Name some properties and uses of plastics?
Why have plastics replaced traditional materials such as metals,paper or glass?
What is the problem of burning plastics?
What are some environmental issues with disposing plastics?
Why should we recycle plastics?
What is the continental drift and who came up with this theory?
What pieces of evidence did Alfred Wegner use to support this theory of the continental drift?
Why did other scientists not believe Alfred Wegner?
What geological events happen at a plate boundary?
Define Conservative,Constructive and Destructive plate margins.
What was discovered to explain the continental drift?
What were the main gases of the original atmosphere?
How were oceans formed?
Why did the percentage of Carbon dioxide decrease?
What is the composition of the present day atmosphere?
How was Nitrogen Formed?
What 3 processes can change the composition of gases in the atmosphere?
What is the main cause of global warming?
How is acid rain formed and what are the consequences?
What are the effects of global warming?
What are some solutions of global warming and acid rain?
