When the medium is unifrom, how do light waves travel though it?

Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols