Home > Chemistry > Energy matters > Patterns in the periodic table
Select the element in Period 3 which has the highest boiling point.
Select the element in Period 3 which has the weakest forces of attraction between its atoms.
Select the alkali metal which has the strongest forces between its atoms.
On descending Group 0 Noble Gases, the melting points and boiling points
Increase then decrease
Do not change
Select the correct explanation for a decrease in atomic size on crossing a period in the Periodic Table.
Increase in number of occupied energy levels
Decrease in number of occupied energy levels
Increase in nuclear charge
Decrease in nuclear charge
The general trend in first ionisation energy on going down a group is
A steady increase
A steady decrease
A decrease followed by an increase
An increase followed by a decrease
Choose the correct explanations for the change in first ionisation energy on descending a Group in the Periodic Table.
An increase in nuclear charge and an increase in atomic size
An increase in atomic size and the screening effect
An decrease in atomic size and the screening effect
An increase in nuclear charge and the screening effect
Choose the correct explanation for the change in first ionisation energy on crossing a period in the Periodic Table.
The screening effect of inner electrons
An increase in atomic size
An increase in nuclear charge
Select the equation that shows the second ionisation energy for calcium.
Ca+(g) Ca2+(g) + e-
Ca(g) Ca+(g) + e-
Ca(g) Ca2+(g) + 2e-
On crossing a period in the Periodic Table from left to right, the electronegativity values:
Decrease then increase
On descending a group in the Periodic Table, the electronegativity values:
An atom with a high electronegativity value will have
A weak attraction for bonded electrons
A strong attraction for bonded electrons
No attraction for bonded electrons
Select the group for which no values for electronegativity are quoted in the data booklet.
Group 1 Alkali metals
Group 7 Halogens
Group 0 Noble Gases