EASY
AS and A Level
IMPORTANT
Earn 100

The table shows some properties of four elements. Use the data to answer the following questions. (Assume that steel has similar properties to iron.)

                        

                                                                                 Question Image


Suggest why many car engine blocks are made from aluminium alloys rather than from steel.
 

Important Questions on States of Matter

EASY
AS and A Level
IMPORTANT

The table shows some properties of four elements. Use the data to answer the following questions. (Assume that steel has similar properties to iron.)

                        

                                                                                 Question Image

Explain the differences in tensile strength and electrical conductivity of iron and sulfur.

EASY
AS and A Level
IMPORTANT

Explain the following property of silicon(IV) oxide by referring to its structure and bonding:
               

                                   It has a high melting point.

EASY
AS and A Level
IMPORTANT
Explain the following property of silicon(IV) oxide by referring to its structure and bonding:

        It does not conduct electricity.
 
EASY
AS and A Level
IMPORTANT
Explain the following property of silicon(IV) oxide by referring to its structure and bonding:

         It is a crystalline solid.
 
EASY
AS and A Level
IMPORTANT
Explain the following property of silicon(IV) oxide by referring to its structure and bonding.

            silicon(IV) oxide is hard.
EASY
AS and A Level
IMPORTANT
Suggest, using ideas of structure and bonding, why:
              buckminsterfullerene, C60, is converted from a solid to a gas at a relatively low temperature
 
EASY
AS and A Level
IMPORTANT
Suggest, using ideas of structure and bonding, why:   graphene is a good conductor of electricity
EASY
AS and A Level
IMPORTANT

Suggest, using ideas of structure and bonding, why:


             buckminsterfullerene, C60, is relatively soft.