The moon's gravity is about of the earths gravity

Which of the following is a compound? a.carbon b.oxygen c.hydrogen d.water

What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

100 points answer quick 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.