periodic classification of elements

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Description
classification of matter, earlier attempt of classification,trend in their properties


Type: ppt

Discussion

pragati j binod

it's very nice for all those student who want to gain more knowledge about chemestry..n i am very thankfull to this programme for provide us such a good knowledge it is very usefull for me!thank u very much>>>>

1604 days 23 hours 42 minutes ago

Yousuf Abbas

Oh, well. It is better for all those who are able to understand. I am happy that I have found it and i finally am thankful to such this program.

1695 days 14 hours 23 minutes ago

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