A. Iron
B. Mercury
C. Nickel
D. Osmium
Check Answer
The correct answer is D. Osmium.
Osmium is a chemical element with the symbol Os and atomic number 76. It is a hard, brittle, bluish-white transition metal in the platinum group, and is considered the densest naturally occurring element, with a density of 22.59 g/cm3.
Osmium is a chemical element with the symbol Os and atomic number 76. It is a hard, brittle, bluish-white transition metal in the platinum group, and is considered the densest naturally occurring element, with a density of 22.59 g/cm3.
