wrie two or more than two points differences about these two....
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mandleev PT arranged acc. to increasing at .mass.
Modern PT arranged acc.to at. no.
Mandleev PT. contain I to VIII group.
Modern PT. contain 1 to 18 grou
Modern PT arranged acc.to at. no.
Mandleev PT. contain I to VIII group.
Modern PT. contain 1 to 18 grou
Jia18:
thank you
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