Post on 15-Jan-2017
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