why does sodium has the biggest size among silicon,sulfur and magnesium?

Question

musicfreak · Answer

Because as you go across a period, the atomic size decreases. As you go down a group, it increases. Sodium is the largest element because it is in group one, whereas all of the other choices are in groups 2, 14, and 16.

anonymous · Answer

http://www.chemguide.co.uk/inorganic/period3/elementsphys.html $\Huge\color{gold}{\star\star\star\star\star\star\hspace{7pt}}\LARGE\tt\color{orangered}{Hey\;there,}\hspace{2pt}\Huge\color{gold}{\star\star\star\star\star\star\star\star}$$\Huge\hspace{15pt}\tt\Huge\;\color{Blue}{welcome\;to\;openstudy!}$$\Huge\color{gold}{\star\hspace{1pt}\star\star\star\star\star\star\star\star\star\star\star\star\star\star\star\star\star\star\star\star}$