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Ionization Fotential curve is the gr...

Ionization Fotential curve is the group of atomic number versus ionisations energy in KJ / mole . The IP curve is given for elements upto Z = 30 .

Why is there a sudden decreasing in the ionization energy from He to Li ?

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I.P.E values are not followed a periticular trend while going from left to right in the periodic table .
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Ionization potential curve is the graph of atomic number versus ionization energy in KJ/Mole . The IP curve is given for elements upto Z =30. What is the trend of I.P.E in the periods while going from left to reight in the periodic table?

lonization potential curve is the graph of atomic number versus ionization energy in KJ/Moie. The IP curve is given for elements upto Z = 30. In the graph identify the representative elements with the highest and lowest IP values.

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