Question

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.

Answer 1

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.

Answer 2

I'm late on this.But you just gave me an answer.I was so confused.