The table above shows the number of protons in an atom of four different elements. According to the periodic table, which of these elements is a metal? *

A.T
B.Q
C.X
D.Z
Element/ Number Of Protons
T/ 7
Q/ 15
X/ 12
Z/ 17
(I couldn't get the table in so that what the table looks like.)
I think the answer is X but im not for sure could someone help me.

2 answers

You are correct. The metals are on the left, the nonmetals on the right.
That zigzag staircase from Boron to Astatine is pretty much the dividing line.
I'm late on this.But you just gave me an answer.I was so confused.