Science middle schhol

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 pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)