among Be B Mg and Al the second ionisation potential is maximum for?
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IONIZATION ENERGY MEANS ENERGY TO REMOVAL OF ELECTRON TO GAIN STABLE electronic configuration.
BE -1S2 2S2
B-1S2 2S2 2P1
Mg-1S2 2S2 2P6 3S2
AL-1S2 2S2 2P6 3S2 3P1
ANSWER IS BE
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Answer:
beryllium
Explanation:because it's atomic number is lessso it's atomic radius is lessso it's nuclear charge is very more than others
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