state modern periodic law of classification of elements.
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in modern periodic table 118 elements have arranged in order of their incresing atomic numbers
periodic table has 18 groups and 7 periods .
the isotopes have been placed together.
noble gases have been placed in group 18.
hope it helps u:-)
periodic table has 18 groups and 7 periods .
the isotopes have been placed together.
noble gases have been placed in group 18.
hope it helps u:-)
abhig6937:
thanks
wlcm
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