Why do elements in a group on the periodic table have similar chemical properties?

A.
same number of outermost electrons

B.
same number of protons

C.
similar atomic masses

D.
similar atomic numbers

Question

Why do elements in a group on the periodic table have similar chemical properties?	
 
 A.
same number of outermost electrons
 
 B.
same number of protons
 
 C.
similar atomic masses
 
 D.
similar atomic numbers

anonymous · Answer

@undeadknight26  can you help me with this one?

dtan5457 · Answer

If go to your periodic table and look at all the groups...you can clearly see that the electronic configuration all end the same..

dtan5457 · Answer

Did you get it..?

anonymous · Answer

yes thank you