As 砷 33 74.9216 15 4 p 33 817.0 617.0 [Ar] 3d10 4s2 4p3 2 8 18 5 5.73 0.00021% Silver Rhombohedral 2.2 2.211 {"1":"947.0","2":"1798","3":"2735","4":"4837","5":"6043","6":"12310"} 947 78 119 ±3,+5 1.39 13.1 27.7 32.4 0.33 50.0 0 Solid, Diamagnetic, Conductor, Metal, Stable, Natural, Metalloid AR-s'n-ik Steel-gray, brittle semi-metal. Many of its compounds are deadly poison and used as weed killer and rat poison. Conducts electricity. Used in semiconductors. Some compounds, called arsenides, are used in the manufacture of paints, wallpapers, and ceramics. Found in mispickel (arsenopyrite) a2AbKwAvyos Arsenic

威廉 格雷戈在1791年在钛铁矿发现了一种钛的氧化物

马丁 海因里希 克拉普鲁斯独立地在金红石中发现了这种元素并且将其命名

纯的金属钛在1910年被马修 洪特制得

1936年克罗尔过程让商业化的钛生产成为可能 拉丁文“泰坦” 33 From the Greek word "arsenikon" meaning "yellow orpiment"

金属钛被认为是无毒的

钛是少数几种可以在纯氮中燃烧的元素之一

二氧化钛被作为铁合金的添加剂来减小金属颗粒尺寸，在不锈钢中用来去除碳杂质

钛元素在海水淡化工厂有其潜在应用

钛在很多常见的产品中也有应用，比如井钻，自行车，高尔夫球棍，手表和笔记本电脑