Which two compounds have the same molecular formula but different chemical and physical properties? select one:
a. ch3ch2cl and ch3ch2br
b. ch3chch2 and ch3ch2ch3
c. ch3cho and ch3coch3
d. ch3ch2oh and ch3och3

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.

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules

Which of the following is a chemical property of water at 4 c