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5 properties of modern periodic table

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5 properties of modern periodic table
  • 2 answers

Yashika B. 4 years, 11 months ago

5.No. of elements placed in a particular period depends upon the fact that how electrons are filled into various shells.

Yashika B. 4 years, 11 months ago

1.Modern periodic table contains 18 vertical columns known as groups and 7 horizontal rows known as periods. 2.Elements in a group have the same number of valence electrons 3.No. of the shells increases as we go down the group. 4.Elements in a period have same number of shells.
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