Julia Keeter
7th
Element!!!!
Zr - Zirconium
Atomic # - 40
Atomic Mass - 91.22
Cost in Kg - $150
Fun facts
The classification of Zirconium is Metal. The family it belongs to is the Transition metals. It was discovered by Martin Heinrich Kalproth in 1789. The number of protons and electron is 40 and the number of neutrons is 51.