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Electromagnetic radiation of wavelength 242 nm is just sufficient to ionise the sodium atom. Calculate the ionisation energy of sodium in kJ mol^–1.

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asked Aug 7, 2017 in Chemistry by sforrest072 (157,439 points) ● 61 ● 410 ● 943

Electromagnetic radiation of wavelength 242 nm is just sufficient to ionise the sodium atom. Calculate the ionisation energy of sodium in kJ mol–1.

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answered Aug 7, 2017 by faiz (82,347 points) ● 6 ● 6 ● 11
selected Aug 7, 2017 by sforrest072
 
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= 4.947 × 105 J mol–1
= 494.7 × 103 J mol–1
= 494 kJ mol–1

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