Question

describe the tendency of ionization energy in groups and periods?​

Answer 1

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As we move from left to right across a period, the ionization energy of elements increases. This is due to the decrease in the size of atoms across a period. ... The force of attraction between the nucleus and the electrons increases and hence more energy is required to remove an electron from the valence shell.

Answer 2

ANSWER-

As we move from left to right across a period, the ionization energy of elements increases. This is due to the decrease in the size of atoms across a period. ... The force of attraction between the nucleus and the electrons increases and hence more energy is required to remove an electron from the valence shell...

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