why does beryillium have same no. of electrons in both the shells?
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The electrons like to be in separate shells/orbitals. Shell number one can only hold 2 electrons, shell two can hold 8, and for the first eighteen elements shell three can hold a maximum of eight electrons. ... That means there are 4 electrons in a beryllium atom.
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as it's atomic number is 4 and its EC is 2,2 thus it has same no of electrons in both the shells
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