Physics, Chemistry and Biology: Post your doubts here!

_Gowri_

_Gowri_

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ionic_2.gif

sorry i couldnt find another diagram but this one shows lithium(left) and chlorine(right)
instead of this, draw an oxygen atom and two lithium atoms
one electron from each lithium atom will go to the oxygen atom, making it an octat
and don't forget to draw those charges on top.
since lithium loses electrons, it becomes positive and since oxygen gains electrons, it becomes negative
um you got it?
 
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Lanocaster

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_Gowri_ said:
sorry i couldnt find another diagram but this one shows lithium(left) and chlorine(right)
instead of this, draw an oxygen atom and two lithium atoms
one electron from each lithium atom will go to the oxygen atom, making it an octat
and don't forget to draw those charges on top.
since lithium loses electrons, it becomes positive and since oxygen gains electrons, it becomes negative
um you got it?
Click to expand...

Yep, thanks bro!
 
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shazmina

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Saket Sekhsaria said:
Can someone help in Question Number 9, Summer 2009 in Chemistry paper 3.
And also why Temperature supports the backward reaction like in the graph Q6 (b)
Click to expand...
As you see for question no 6 .....
They have sed that the forward reaction is exothermic ....... Which mns less temp is needed fr the formation of Ammonia ......
And so just imagine wat happens when the temp increases..... The vice versa takes place ...which is ..whn the temp is high ...... Less yield of NH3 is formed :D hope u gt it .....
 
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nirajsuroopjet

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Hi, you all, i am searching topical past papers for chemistry p4 for chemistry of life, applications of analytical chemistry and design and materials, does anyone have a link?
 
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