C1: Key Concepts
The subatomic particle with a charge of '-1'.
What is an electron?
WHEEL
A reaction where a substance changes without becoming a new chemical. Examples include: melting, freezing,
What is a Physical Change?
A substance that when added to water, for negatively charged hydroxide Ions.
The name of elements in group 7.
What are Halogens?
A suitable piece of lab equipment to measure the volume of gas produced in a chemical reaction.
What is a Gas Syringe?
What is Atomic Mass?
A chemical that can dissolve solutes to form a solution.
What is a solvent?
WHEEL
A chemical used to determine the pH of various substances.
What is Universal Indicator?
The reason Noble gases are unreactive.
What is a full outer shell?
WHEEL
A principle of chemistry used to predict the rates of chemical reactions based on interactions between particles.
What is Collision Theory?
WHEEL
An element with the same number of protons and electrons, but a different number of neutrons.
What is an Isotope?
Water that is suitable for human consumption (i.e., water that can be used for drinking or cooking).
What is Potable Water?
The factor change of Hydroxide ions between when an acid increases pH by 1.
What is a Factor of x10?
WHEEL
The trend in reactivity as you move down the Alkali Metals (Group 1).
What is increases?
The three factors that affect the rate of a chemical reaction.
What are Concentration, Surface area, Temperature?
A chemical bond where electrons are donated or received.
What is an Ionic bond?
A separation technique used to separate liquid (the solvent) from a mixture and keep the liquid part. It involves boiling the solution and then condensing
What is Distillation?
The products formed when reacting an Acid and Metal?
What is Salt + Hydrogen?
Passing a gas through lime-water and looking for it to change milky/ cloudy.
What is Chlorine gas?
What is an Exothermic Reaction?
The reason Graphite makes a good conductor of electricty.
What is having a free electron?
The formula for calculating Rf in chromatography.
What is:
Distance travelled by the compound / Distance travelled by the solvent front?
The method to prepare soluble salts from an acid and soluble reactant.
What is a titration?
The colour of Chlorine at room temperature?
What is a pale green gas?
A substance that enables a chemical reaction to proceed at a usually faster rate or under different conditions.
What is a catalyst?