A gas has a volume of 1.75 L at -23°C and 150 kPa. At what temperature would the gas occupy 1.30 L at 210 kPa?
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Ответ:
Removal of an electron from stable, fully filled orbital requires more energy than removal of electron from partially filled orbital. Thus, ionisation enthalpy for Mg is greater than ionisation enthalpy for Al. So, the correct order of first ionization enthalpies is: Na<Mg>Al<Si.