Compared to the energy of an electron in the second shell of an atom of sulfur, the energy of an electron in the 1.
first shell is lower.
2.
first shell is the same.
3
third shell is lower.
4
third shell is the same.

Which statement justifies that phosphine (ph3) is a polar molecule?

10. translate each of the following chemical equations into a sentence. a. 2 zns(s) + 3 o2(g) -> 2 zno(s) + 2 so2(g) b. cah2(s) + 2 h2o(l) -> ca(oh)2 (aq) + 2 h2(g)

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.