POWERPOINT PRESENTATION

WELCOME

MANNAM FOUNDATION CENTRE FOR EDUCATION TECHNOLOGY

NAME : REMYA.S OPTION : PHYSICAL SCIENCE REGISTER NO : 18214373012

CHARACTRISTICS OF MODERN PERIODIC TABLE

X

•MODERN PERIODIC TABLE WAS PROPOSED BY MOSELY.

IN THIS TABLE THE ELEMENTS ARE

ARRANGED IN THE INCREASING ORDER OF THEIR ATOMIC

NUMBERS.

THE TABLE CONTAINS 18 VERTICAL COLUMNS AND 7

HORIZONDAL ROWS.

THE VERTICAL COLUMNS ARE CALLED GROUPS AND HORIZONDAL ROWS ARE CALLED PERIODS.

1ST $ 2nd GROUPS: METALS.

3 TO 12 GROUPS: TRANCITION ELEMENTS

13 TO 18 GROUPS: NONMETALS.

GROUPS1.ALKALI METALS.

2. ALKALINE EARTH METALS.

13. BORON FAMILY.14.CARBON FAMILY.

15.NITROGEN FAMILY.16.OXYGEN FAMILY.

17. HALOGEN FAMILY.18.NOBLE GASES.

THANKYOU