Page 1 :
s-Block Elements 1, , S-Block Elements :, s-block, , a elements, , These are Those Elements, who’s last electron in, , s-sub shell, , , , s-biock E ements ), , , , Alkali metals J |Allkaline earth metals), , Group-t, , , , Group-2, Lithium, sodium, potassium, fou magnesixm., , rubidium, caesium and francium Gum, strontium, barium and radian), , , , * Those elements in which their last electron enters into s orbital are called the, s-Block Elements., , * The elements of Group 1 and Group 2 of the modern periodic table are called s, -Block Elements., , % The s-Block elements having only one electron in their s-orbital (ns') are called, group 1 or alkali metals whereas the s block elements having two electrons, filling their s-orbital (ns*) are called group 2 or alkaline earth metals.