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Periodic Table Groups Valence Electrons. The group 2 atoms have 2 valence electrons. The group number is the same as the number of valence electrons.
Electronic Configurations Electron configuration from www.pinterest.com
The elements in each group have the same number of valence electrons. The group number is the same as the number of valence electrons. The periodic table of the elements is a way of representing all the known elements.;
The number of each element corresponds to the number of protons in its nucleus (which is the same as the number of electrons orbiting that nucleus).
They all have a similar electron configuration in their valence shells: Group of highly reactive metals located in the first column on the periodic table. Groups of the periodic table: The valence electron for group 9 and group 10 is the same i.e.
