Answer these questions using only the elements in the table. State which two of the elements, P, Q, R, S and T, have covalent molecules. Give two reasons to support your choice.
Describe the structure and bonding in diamond.
State why diamond is chosen for cutting tools.
Name one additional form of solid carbon.
Give two more ways in which the properties of transition elements differ from those of Group I elements.
State whether lithium oxide is a basic oxide or an acidic oxide. Give a reason to justify your answer.
Arrange the four metals in order of reactivity. Start with the least reactive metal.