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Change in enthalpy when 11.2 dm3 of helium at ntp is heated in a cylinder to 100 degrees celsius
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The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
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Change in enthalpy when 11.2 dm3 of helium at ntp is heated in a cylinder to 100 degrees celsius...
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