Thai Sikh International School
E-Learning Programme – Online
Assignment – 25/04/2014
Name
: Subject
:Chemistry
Year :9A&B
Week No. :11
1. Write the properties of
covalent bonding
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2.Define
allotrophy.
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3.Write
the difference between inter and intra molecular bonds.
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4.Define
valency.
.
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5.Explain about
graphite.
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