Which sentence about the periodic table of elements is true?
All elements in period 2 are metals. All elements in group 18 are metals. Metals are found on the left side of the periodic table. Metals are found on the right side of the periodic table.
Question: Which sentence about the periodic table of elements is true?
A. All elements in period 2 are metals.
B. All elements in group 18 are metals.
C. Metals are found on the left side of the periodic table.
D. Metals are found on the right side of the periodic table.
Answer: