Question

the metals of group 2 from top to bottom are beryllium magnesium calcium strontium barium state the common features in the electronic configuration.

Answer 1

they have +2 charge and have 2 atoms in outermostshell

Answer 2

The outer electron structure in all of these elements is similar, they all have somewhat similar chemical and physical properties. All are shiny, fairly soft—although harder than the alkali metals—and most are white or silvery colored. 

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