← Group IA and IIA Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All Why IA & IIA do not exist by themselves very reactive, even explosive Group 1A, name and electron config Alkali metals, _s1 Group 2A, name and electron config Alkaline earth metals, _s2 How stored in kerosene What is a "bridging relationship" similarities exist between smallest elements and the next group IA & II A elements needed by the human body Na and K Name "alkaline earth" origin does not burn % of elements that are metals 75% products of acid and base salts and water