Answer: metals are found on the left side of the periodic table
Justification:
A. All elements in period 2 are metals: FALSE.
The period 2 include metals and no metals: Li and Be are metals, while B is a metaloid, and C, N, O, and F are non-metals
B. All elements in group 18 are metals: FALSE.
The elements in group 18 are known as noble gases: He, Ne, Ar, Kr, Xe, Rn, and Og (recently named). All of them are non-metals.
C. Metals are found on the left side of the periodic table. TRUE.
With exception of H.
Alkalyne metals are the group 1 (Li, Na, K, Rb, Cs, and Fr).
Alkalyne-earth metals are the group 2: Be, Mg, Ca, Sr, Ba, and Ra.
Those two are the groups most to the left.
The non-metals are all on the right side of the periodic table.
D. Metals are found on the right side of the periodic table.
FALSE.
According to the previous information.
