Question

if any elemeny from periodic table is given and asked to find that it is located in which group and period so , how to find that with example plzz ​

Answer 1

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Its easy Buddy

NUM OF ELECTRONS IN OUTERMOST SHELL = GROUP
eg -: An element has 3 valence electrons so its in Group 3

NUM OF VALENCE OR OUTERMOST SHELL = PERIODS
eg -: if a element has 2 valence electrons so it is in 2nd period

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⚠$\huge{Ryan 567}$⚠