A gas mixture consists of Cl2, O2, and Rn, where the mole fraction of Cl2 is 0.55 and the mole fraction of Rn is 0.25. If the mixture is at STP in a 5.0 L container, how many molecules of O2 are present

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 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.