panga icse − Q & A

highest and least ....electron affinity, electron negativity, ionization potential....................  pc 40

How to know , how much answers i contributed ?

+ 1 more questions by hareesh0922  

Who hates Chirayu Rai (chirayurai) please give a dislike .....................
asked by Hareesh Ramakrishnan (hareesh0922) 8 years ago
1

Please tell me when will panga chemistry will start ? 
 I have my batch no pp16 will it be the same today ? Or will it be anything else 
Today I think it is pc16 right ........

Why NO2 is known as mixed or double acid anhydride .?? (scroll down for answer but give it a try before you could see the answer ) 
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.it is called so because 2 acids ( Nitrous acid and Nitric acid ) are formed when it reacts with water...:-)

+ 1 more questions by student58  

Arrange in the descending order of their atomic radius : Mg , Si , Cl ,Na , S ,Ar .....Answer this guys.... a bit tricky Check down for answer...but give it a attempt...dont see the answer on 1st attempt... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GUys listen there would be sudden increase in the size of noble gas when compared to its previous element...Answer is Na, Ar,Mg,Si,S ,Cl I guess this is the case with every period .....1st element has got the highest size and next noble gas of that period ,then follows the rest of the elements
asked by MP Harsha (student58) 8 years ago
1

hey ppls sorry to disturb...coz this is somethin different.....jst abt sme *mustafaraj*...I donno him....but he is very cheap.....u all can see wat he did in my timeline.....

http://www.respaper.com/sportysags/tl

Add me into the group please!!☺

heyy guys i have uploaded chemistry key notes of all the chapters....hope it helps u in chem exam.... :)
http://www.respaper.com/swati22/#s288404

State observation:
Ethene burns in excess air.

Will chm be easy. ????coz phy to bht bkwaas tha..

what is meant by pc number guys??