From Arsenic to Zirconium

IRON, Fe

SO CORE TO HEMOGLOBIN’S ROLE

Chart Man’s ascent, probe Earth’s extent, find iron at both their cores,

With coke ’n’ flux its pig we make by smelting Fe’s ores.

With zinc, ’gainst rust it’s galvanized,

Domains of “unpaired”—magnetized!

So core to hemoglobin’s role: it binds O₂ in fours.

Chart Man’s ascent, probe Earth’s extent, find iron at both their cores,

GROUP 8 TRANSITION METAL

Used in tools, weapons, industrial machinery, and construction materials, iron has played a major role in humanity’s development in many ancient societies and in the present day. If it were possible, a journey to Earth’s center would reveal a mostly molten ...