锆(Zirconium)是一种化学元素，，，它的化学符号是Zr，，，它的原子序数是40，，，是一种银白色的高熔点金属，，，呈浅灰色。。。。。。

密度6.49克/立方厘米。。。。。。熔点1852±2℃，，，沸点4377℃。。。。。；；；；霞+2、+3和+4。。。。。。第一电离能6.84电子伏特。。。。。。

锆的外貌易形成一层氧化膜，，，具有光泽，，，故外观与钢相似。。。。。。有耐侵蚀性，，，可溶于氢氟酸和王水;高温时，，，可与非金属元素和许多金属元素反应，，，天生固体溶液化合物。。。。。。

Zirconium is a chemical element with the chemical symbol Zr and an atomic number of 40. It is a silver white high melting point metal with a light gray color.

Density 6.49 grams per cubic centimeter. Melting point 1852 ± 2 ℃, boiling point 4377 ℃. Valence+2,+3, and+4. The first ionization energy is 6.84 electron volts. Zirconium is prone to forming an oxide film on its surface, which has a glossy appearance similar to steel. Corrosion resistance, soluble in hydrofluoric acid and aqua regia; At high temperatures, it can react with non-metallic elements and many metallic elements to form solid solution compounds.