This document provides an introduction to the periodic table for a student named Sreelekha S. Pillai. It defines the periodic table as a tabular arrangement of the chemical elements organized by their atomic number, electron configuration, and recurring properties. It explains that elements in the same group or family are in the same vertical column, while periods refer to horizontal rows. It lists the 8 main families of elements in the periodic table.

1. WELCOME

2. SREELEKHA.S.PILLAI
PHYSICAL SCIENCE
REG NO: 13352030
FATHIMA MEMORIAL TRAINING COLLEGE
PALLIMUKKU, KOLLAM

3. PERIODIC TABLE

4. PERIODIC TABLE
The periodic table is a tabular arrangement of
the chemical elements, organized on the basis
of their atomic numbers, electron configuration
and recurring chemical properties.

6. GROUP
A GROUP OR FAMILY IS A VERTICAL
COLUMN IN THE PERIODIC TABLE.

7. PERIOD
A PERIOD IS A HORIZONDAL ROW IN
THE PERIODIC TABLE.

8. FAMILY OF ELEMENTS
GROUP NUMBER
1.
2.
3.
4.
5.
6.
7.
8.
FAMILY OF ELEMENTS
ALKALI METALS
ALKALINE EARTH METALS
BORON FAMILY
CARBON FAMILY
NITROGEN FAMILY
OXYGEN FAMILY
HALOGEN FAMILY
INERT GASES

9. THANK YOU