100 mL of water vapor is decomposed at high temperature to produce hydrogen and oxygen. The volumes of hydrogen and oxygen formed, when measured at 25 C and atmospheric pressure, are respectively
a. 50 mL and 50 mL
c. 100 mL and 50 mL
b. 50 mL and 100 mL
d. 100 mL and 100 mL

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.