|
Write a short note on bond angles
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|
0
|
1274
|
October 20, 2016
|
|
What is 'crystal lattice'?
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|
0
|
459
|
October 20, 2016
|
|
Why ionic compounds are good electrolytes?
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|
0
|
1526
|
October 20, 2016
|
|
Why a molecule of hydrogen is more stable than the uncombined atoms?
|
|
0
|
1153
|
October 20, 2016
|
|
How do you know the valence of a non-metal?
|
|
0
|
625
|
October 20, 2016
|
|
What is ionisation ? Give one example
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|
0
|
1055
|
October 20, 2016
|
|
In case of ionic substances, a more appropriate term is formula weight, rather than 'molecular weight'. Why?
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0
|
1800
|
October 20, 2016
|
|
What are Lewis structures?
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0
|
453
|
October 20, 2016
|
|
Why a large amount of energy
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|
1
|
539
|
October 20, 2016
|
|
Write a short note on octet rule with example
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0
|
1410
|
October 20, 2016
|
|
Write about VSEPR theory
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0
|
621
|
October 20, 2016
|
|
Bring out the differences between ionic and covalent bonds
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0
|
8157
|
October 20, 2016
|
|
Write about Hydrogen bond'
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|
0
|
460
|
October 20, 2016
|
|
Distinguish between a sigma and a pi bond
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|
0
|
4291
|
October 20, 2016
|
|
Can you suggest an experiment
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1
|
689
|
October 20, 2016
|
|
What are the important characteristic features of hybridisation?
|
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0
|
5244
|
October 20, 2016
|
|
What is hybridisation?
|
|
0
|
1186
|
October 20, 2016
|
|
Collect the information about properties and uses of covalent compounds and prepare a report
|
|
0
|
21454
|
October 20, 2016
|
|
Explain the formation of the following molecules using valence bond theory
|
|
1
|
12803
|
October 20, 2016
|
|
How Lewis dot structure helps in understanding bond formation between atoms?
|
|
0
|
2351
|
October 20, 2016
|
|
Predict the reasons for low melting point for covalent compounds when compared with ionic compound
|
|
0
|
4020
|
October 20, 2016
|
|
A, B and C are three elements with atomic numbers 6, 11 and 17 respectively
|
|
0
|
5980
|
October 20, 2016
|
|
Explain the formation of sodium chloride
|
|
1
|
6614
|
October 20, 2016
|
|
What is octet rule?
|
|
1
|
2384
|
October 20, 2016
|
|
Represent each of the following atoms using Lewis notation :
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|
1
|
2948
|
October 20, 2016
|
|
Represent the molecule $H _{ 2 }O$ using Lewis notation
|
|
0
|
934
|
October 20, 2016
|
|
Draw simple diagrams to show how electrons are arranged in the following covalent molecules :
|
|
1
|
7275
|
October 20, 2016
|
|
How bond energies and bond lengths of molecule helps us in predicting their chemical properties?
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|
1
|
6015
|
October 20, 2016
|
|
Why do only valence electrons involve in bond formation?
|
|
1
|
5992
|
October 20, 2016
|
|
A chemical compound has the following Lewis notation :
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|
0
|
3765
|
October 20, 2016
|