remya powerpoint presentation
TRANSCRIPT
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POWERPOINT PRESENTATION
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WELCOME
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MANNAM FOUNDATION CENTRE FOR EDUCATION TECHNOLOGY
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NAME : REMYA.S OPTION : PHYSICAL SCIENCE REGISTER NO : 18214373012
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CHARACTRISTICS OF MODERN PERIODIC TABLE
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X
•MODERN PERIODIC TABLE WAS PROPOSED BY MOSELY.
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IN THIS TABLE THE ELEMENTS ARE
ARRANGED IN THE INCREASING ORDER OF THEIR ATOMIC
NUMBERS.
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THE TABLE CONTAINS 18 VERTICAL COLUMNS AND 7
HORIZONDAL ROWS.
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THE VERTICAL COLUMNS ARE CALLED GROUPS AND HORIZONDAL ROWS ARE CALLED PERIODS.
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1ST $ 2nd GROUPS: METALS.
3 TO 12 GROUPS: TRANCITION ELEMENTS
13 TO 18 GROUPS: NONMETALS.
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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.
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THANKYOU