What is Zr? Important Knowledge about Zr

1. Definition of Zr:

1.1 Names:
1.1.1 Common name: Zirconium
1.1.2 English name: Zirconium

1.2 Atomic number: 40

1.3 Atomic mass: 91.22

1.4 Ion structure: Zr₄+

2. Properties of Zr:

2.1 Physical properties of Zr:

• State: solid metal, grayish-silver in color
• Color: Silver-gray
• Odor: Odorless
• pH: Not applicable

2.2 Chemical properties of Zr: Zirconium is very resistant to most acids and bases but reacts strongly with water and hydrofluoric acid. It can also react with halogens to form complex halogen compounds.

3. Common chemical reactions with Zr:
   Since Zirconium is a metal, it mainly participates in redox reactions. For example:

   • Zr + 2Cl₂ -> ZrCl₄
   • Zr + 2O₂ -> ZrO₂
   • Zr + N₂ -> ZrN
   • Zr + C -> ZrC
   • Zr + S -> ZrS

4. Preparation of Zr:

4.1 Lab preparation of Zr: Zirconium is typically not prepared in the lab as this process requires high conditions and techniques.

4.2 Industrial preparation of Zr: Zirconium is typically prepared from zircon ore (ZrSiO₄) through a series of complex processes including separation, filtration, reduction, and refinement.