The Periodic Table of the Elements is arranged so that elements with similar characteristics are in the same column. Which element is a highly reactive metal?
chlorine (Cl) helium (He) magnesium (Mg) silver (Ag)
Question: The Periodic Table of the Elements is arranged so that elements with similar characteristics are in the same column. Which element is a highly reactive metal?
A. chlorine (Cl)
B. helium (He)
C. magnesium (Mg)
D. silver (Ag)
Answer: