Who tried to arrange a periodic table in 1864, when only 63 elements were known?

Who realised that some elements had yet to be discovered in 1869, and left gaps to allow for their discovery?

What are the six elements in group 1 known as?

What are the properties of the elements in group 1?

Why are alkali metals more reactive as you go down the group?

What do alkali metals react with non-metals to form?

What are the five elements in group 7 known as?

What is produced when halogens react with metals?

Fill in the missing words:

Compared to group 1 elements, transition metals have _____________ melting points, are stronger and are _____________ reactive.

A more reactive halogen can ____________ a less reactive halogen from an aqueous solution of its salt.

How is water that is good quality and safe to drink produced?

What does the amount of compounds present in tap water determine?

Which contains more compounds?

What type of ion does temporary hard water contain?

What does soft water readily form with soap?

What does hard water react with soap to form?

What two compounds does most hard water contain?

What is the difference between permanent and temporary hard water?

What is the advantage of hard water?

What are the two disadvantages of hard water?

What are the two different ways to remove the dissolved calcium and magnesium ions from hard water to form soft water?

What is the unit of measurement for energy?

How can you measure the temperature change that takes place when a fuel burns?

Fill in the missing words:

Breaking a chemical bond requires a lot of energy , this is an ____thermic process.

When a new chemical bond is formed, energy is given out, this is an ____thermic process.

What would you see in an energy level diagram for an exothermic reaction?

What would you see in an energy level diagram for an endothermic reaction?

What is the activation energy?

What do catalysts do?

What can hydrogen be used for?

Flame tests can be used to identify metal...

How do you carry out the flame test?

What colours would be observed in a flame test in the presence of:
- Barium
- Calcium
- Lithium
- Potassium
- Sodium

What do carbonates react with dilute acids to form?

Name a base which can be used to form precipitates from metal ions...

What are the colour of these precipitates that are formed when the metal ions are mixed with PREVIOUS ANSWER:
- Aluminium
- Calcium
- Magnesium
- Copper (II)
- Iron (II)
- Iron (III)

Which metal precipitate out of these, dissolves when excess sodium hydroxide is added?

What is formed if dilute hydrochloric acid and barium chloride solution are added to a solution containing sulfate ions?

What kind of precipitate do iodide ions form with silver nitrate solution in the presence of nitric acid?

What kind of precipitate do chlorine ions form with silver nitrate solution in the presence of nitric acid?

What kind of precipitate do bromide ions form with silver nitrate solution in the presence of nitric acid?

What is titration?

Titration method...

What is the Haber process used to manufacture?

What are the raw materials for the Haber process?

Fill in the gaps:

The purified raw materials are passed over an ____ catalyst at a:
____ temperature (about ___°C)
____ pressure (about ___ atmospheres)

What happens in a closed system?

When is an equilibrium achieved?

In an exothermic reaction, if the temperature is raised, the yield __creases, and vice versa.

In an endothermic reaction, if the temperature is raised, the yield __creases, and vice versa.

In gaseous reactions, an increase in pressure favours the reaction that produces the _____ number of molecules.

Fill in the gaps:

Alcohols are ______-based molecules that contain the functional group ___.

How can you turn ethanol into ethanoic acid.

Carboxylic acids are carbon-based molecules that contain the functional group...

TRUE OF FALSE:

Carboxylic acids ionise fully in water, so they are called strong acids.

Alcohols and Carboxylic acids react together to form...

Esters contain the functional group...

What type of compounds are Esters?

Carbon Naming System:

If there is one carbon atom in a chain, then the molecule's name starts with...

Carbon Naming System:

If there are two carbon atoms in a chain, then the molecule's name starts with...

Carbon Naming System:

If there are three carbon atoms in a chain, then the molecule's name starts with...

Carbon Naming System:

If there are four carbon atoms in a chain, then the molecule's name starts with...

What do alcohols do when they get in water?

Alcohols react with sodium to form...

What do Carboxylic acids do when they get in water?

Carboxylic acids react with carbonates to produce...

How can you test for sulfate ions?