The following questions refer to the periodic table :
Name the second last element of the period 3.

The following questions refer to the Periodic Table : Name the first and last element in period-2.

The following questions refer to the periodic table : Name the element which has the highest electron affinity.

The following questions refer to the periodic table : Name the element which has the highest electronegativity.

The following questions refer to the periodic table : Name the element which may be placed in group 1 but is not a metal.

Name the first and last element in period 2

The following questions refer to the periodic table: How many elements are in the second period?

The following questions refer to the Periodic Table : What is the common feature of the electronic configurations of the elements in group 17 ?

The following questions refer to the Periodic Table : Which of the elements has the greatest electron affinity among the halogens ?

The following questions refer to the Periodic Table : What happens to the atomic size of elements moving from top to bottom of a group.

Name or state with reference to the elements of the modern periodic table. The number of electron shells in elements of period 3.