Fechar
Describe the particles in a solid.
(e.g. spacing, arrangement, movement and forces)
Describe the particles in a liquid.
(e.g. spacing, arrangement, movement and forces)
Describe the particles in a gas.
(e.g. spacing, arrangement, movement and forces)
What is the change called when:
* a solid changes to a liquid?
*a liquid changes to a solid?
*a liquid changes to a gas?
*a gas changes to a liquid?
*a solid changes to a gas?
Explain, in terms of particles, the change between a liquid to a gas.
Explain, in terms of particles, the change between a liquid to a solid.
Give two pieces of evidence to support the particle theory.
What is an atom?
What is an element?
What is a compound?
What is a mixture?
What is a molecule?
When should you carry out filtration?
When should you carry out evaporation?
When should you carry out crystallisation?
When should you carry out simple distillation?
When should you carry out fractional distillation?
What are miscible liquids?
When should you carry out paper chromatography?
What is thermal decomposition?
What is electrolysis?
What is an atom made up of?
Relative charge, relative mass and position of the three sub-atomic particles
What is the atomic number?
What is the mass number?
What is the top number showed by the element in the periodic table?
What are isotopes?
Electrons exist ............. the nucleus of atoms in different ................ ....................... called ................. .................... . There are several .................. ....................... .
What is Ar?
What is Mr?
What is a mole?
How do you calculate the mass of 1 mole?
How do you calculate the mass of a substance (in grams) from the amount (number of moles)?
How do you calculate the amount in moles from the mass of the substance?
What is the molar volume?
How to work out the volume of gas (in dm^3 and cm^3) from the amount of gas?
How to work out the amount of gas (in moles) from the volume of gas in
a) dm^3
b) cm^3
What is the empirical formula?
How do you work out the empirical formula? (e.g. percentage composition: aluminium = 52.94 %; oxygen = 47.06 % empirical formula of Aluminium Oxide?)
What is the molecular formula?
How do you work out the amount of dissolved substance (in moles) using the concentration?
What is the theoretical yield?
How do you calculate a percentage yield?
What is an ion?
How are ions formed?
What things make ionic compounds?
What is an ionic bond?
There are no ..................... in ionic compounds.
Why do ionic compounds have a high melting and boiling point?
When are covalent bonds formed?
What is a covalent bond?
Simple molecular substance have .......... melting and boiling points because the forces of attraction between the molecules are ....... and therefore ........... energy is required to overcome them.
Give 2 examples of giant covalent structures made from carbon.
Describe the bonding in them.
Describe the forces in them.
Describe the uses and properties of diamond.
Describe the properties and uses of graphite.
Describe the structure of metals.
Properties of metals
What are the conditions of electrolysis?
What is the electrolyte?
