The pair of elements that have similar chemical properties are

Out of the elements H(1), Be(4), Na (11), Mg(12) : (a) Write the pair of elements having similar chemical properties. (b) State the group number of each pair. (c) Name one another element belonging to each of these groups.

Identify the elements which have similar chemical properties as the element X.

Which pair of elements has same chemical properties ?

Which pair of elements has same chemical properties ?

Which of the following pairs of elements have similar properties-

Identify the elements that have similar physical and chemical properties as the element Y.

Newlands was the first to classify elements having similar chemical properties into groups of three. True/False