Choose all the right answers. The astroid belt separates the planets into two groups. Which planets are in the outter-most group away from the sun?

Earth
Saturn
Mercury
Uranus
Neptune
Venus
Mars
Jupiter

Me i dont know what to do! 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.

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?