std 10th . science 1 chapter no.2 periodic classification of element. write notes on this chapter minimum 50 question with answers 1 marks each question
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Tin is a chemical element with the symbol Sn (from Latin: stannum) and atomic number 50. It is a post-transition metal in group 14 of the periodic table of elements. It is obtained chiefly from the mineral cassiterite, which contains stannic oxide, SnO
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It belongs to group-14 and period-5.
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