Professor_Sam_Soomro: Dekho for suppose atomic number of Oxygen is 6 ok then find configuration. 1s2، 2s2، 2p2 ab she'll k pta jobs chahye how many electrons contain a shell K be only 2 L have 843 months ago
Professor_Sam_Soomro: 1st A group is Alkali metal. Hi Lila Na Ki Rb Ce faryad.
Hi means hydrogen، Lila ki Li lithium، Na sodium، K potassium، Rb rubedium، Cs Cesium and Fr francium43 months ago
SycoGirl: Definition nh kha h smjhao
for example:agr hum Ek element lete h (Ag)=47
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰ 4p⁶ 5s²3d⁹
Ab is se kese malum kren Period group and block43 months ago
Professor_Sam_Soomro: It is tendency of an atom/molecule to attract shared pair of electrons towards itself.43 months ago
SycoGirl: Electronic configuration se kisi bhi element ka period group and block kese malum hota h plzz bra de43 months ago