s – block elements p – block elements

s – block elements	p – block elements
i. In modern periodic table the groups 1 and 2 are included in s – block. ii. These includes alkali metals and alkaline earth metals. iii. They have 1 or 2 electrons in the last shell.	i. In modern periodic table the groups 13 to 17  and the zero group elements are included in p – block. ii. These includes metals, non – metals and metalloids. iii. They have 3 to 8 electrons in the last shell.