2. 1. Months of the year
2. tiMe on the clock
3. Days in a weak
Each of the above have periodic
trend

3. Father of the periodic table – Dimitri mendeleev
He grouped 63 elements in a table form
Modern periodic table is based on mendeleeve’s idea

4. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
2
3
4
5
6
7
PERIODIC TABLE

5. EXPANSION
Try to fill
ABBREVATIONS
Bharat Sanchar Nigam ltd.
BSNL
Life Insurance Cooperation
National Cadet Corps
National Service Scheme

6. Who completed successfully
Bharat Sanchar Nigam ltd. BSNL
Life Insurance Cooperation LIC
National Cadet Corps NCC
National Service Scheme NSS

7. Common Elements and Symbols

8. symbol oN THE bAsIs oF lATIN
NAmE
ENGLISH NAME LATIN NAME SYMBOL
Sodium Natrium Na
Pottassium Kalium K
Gold Aurum Au
Iron Ferrum Fe
Copper Cuprum Cu
Mercury Hydragyrum Hg

9. symbols oN THE bAsIs oF ENglIsH
NAmNAEME SYMBOL
Hydrogen H
Helium He
Aluminium Al
Carbon C
Calcium Ca
Oxygen O
Nitrogen N
Chlorine Cl

10. A symbol indicAtes An Atom of An
element
‘H’ It is the symbol of
hydrogen
&
Indicate an atom of
Hydrogen
‘c’ It is the symbol of Carbon
&
Indicate an atom of