Agas cylinder contains exactly 15 moles of oxygen gas (O2). How many molecules of oxygen are in the cylinder?​

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

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.