Normal Elements Transition Elements

Normal Elements	Transition Elements
i. In the atoms of Normal elements only the outermost shell is incompletely filled. ii. These elements are placed in groups 1 and 2 on the left side and 13 to 17 on the right side of modern periodic table. iii. They are included in s – block and p – block of modern periodic table. iv. They normally show one type of valency.	i. In the atoms of these elements the last two shells are incompletely filled. ii. These elements are placed in groups 3 to 12 in the middle of the modern periodic table. iii. They are included in d – block of modern periodic table. iv. They show variable valency.