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How to find group and period |
| Answer» For period :no.of valenced shell for all elements.GroupFor s block element :valences electron.For p block:12+valenced electron.For d clock:valenced e– of s +valenced e– of d.For f:just write f block elwment.For eg: predict grp and period of an elwmwnt having atomaic no.17Electrknic conf.is 1s2 2s2 2p6 3s1Grp is 3Period is 1 | |