Medal & Fan
Use your knowledge of the periodic table and the periodic table provided. Which pair of elements are more similar chemically Na and Mg or F and Br? And why?
A)
F and Br, because they are in the same group.
B)
F and Br, because they are in the same period.
C)
Na and Mg, because they are in the same group.
D)
Na and Mg, because they are in the same period.

Question

Medal & Fan
Use your knowledge of the periodic table and the periodic table provided. Which pair of elements are more similar chemically Na and Mg or F and Br? And why?
A)
F and Br, because they are in the same group.	
B)
F and Br, because they are in the same period.	
C)
Na and Mg, because they are in the same group.	
D)
Na and Mg, because they are in the same period.

whpalmer4 · Answer

Get out your periodic table and have a look!  A group in the periodic table is a column.  A row in the periodic table is a period.  For example:

Period I: H, He
Group I: H, Li, Na, K, Rb, Cs, Fr

whpalmer4 · Answer

Elements in the same group have similar outer electron shells.  The outer electrons (for the most part) are what make all the interesting action in chemical bonding.