Which example of mass has 1.2×1024 oxygen atoms?

1 mole of peroxide (h2o2)

1 mole of water (h2o)

2 moles of ammonia (nh3)

2 moles of hydrogen gas (h2)

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.