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

A.
same number of protons

B.
similar atomic numbers

C.
same number of outermost electrons

D.
similar atomic masses

Question

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

gabbyalicorn · Answer

@JackofallTradez here we go, finally xD

jackofalltradez · Answer

KK
Let me think

jackofalltradez · Answer

Ah, I remember now
It's because they have the same amount of valence electrons, AKA outermost electrons

gabbyalicorn · Answer

Take your time :)

jackofalltradez · Answer

OMG
NO YOU DIDN'T
TAKE YOUR TIME :D
YESH
www.youtube.com/watch?v=iXi6IHFHeIA

anonymous · Answer

if they have the same amount of electrons on the outer shell they will have the same reactivity

jackofalltradez · Answer

Perhaps I distracted @gabbyalicorn with that awesome video

gabbyalicorn · Answer

I'll take a look at the vid. Thanks.

jackofalltradez · Answer

No problem
It'll be worth your time

gabbyalicorn · Answer

oh lol, i have no idea who sam hunt is xD

gabbyalicorn · Answer

omg the lag is really i crai ;v;

jackofalltradez · Answer

WHAT?!
YOU NEED TO KNOW WHO HE IS
HE'S, LIKE, ONE OF THE BEST

jackofalltradez · Answer

https://www.youtube.com/watch?v=BuMiMBjcvWU www.youtube.com/watch?v=DdWpjahUoEg

gabbyalicorn · Answer

is he like in a band? I only listen to pop hip hop and some rap xD