👉 Hesperocnide is a chemical element with the symbol Ch and atomic number 24. It is a dark, silvery-white mineral that occurs in the Earth's crust as an oxide of iron and nickel.
👉 Hesperocnide is a chemical element with the symbol Ch and atomic number 24. It is a dark, silvery-white mineral that occurs in the Earth's crust as an oxide of iron and nickel.
