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 | No..I'm just read about ionisation energy of hydrogen. | |
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| Hey!what are you doing?You look very busy.. | |
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| Ok..l will tell you.. | |
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| Oh..I see..could you please tell me about that,I 'm curios. | |
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| First ionisation energy is defined as the minimum energy required to removed one mole of electron from one mole of the atom of an element in the gaseous state. | |
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