ni是什么金属
湘潭胡桃里音乐酒馆
2024-06-29 14:02:26
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ni元素符号:ni中文名称:镍英文名称:nickel原子序数:28原:58.69外围电子排布:3d8 4s2核外电子排布:2,8,16,2常见化合价:+2,+3密度:8.90溶点:1453沸点:2913所属周期:4所属族数:viii原子半径:1.62离子半径:0.69(+2)共价半径:1.15同位素及放射性:*ni-58 ni-60 ni-61 ni-62 ni-64发现人:axel cronstedt发现时间:1751发现地点:瑞典名称由来:german: kupfernickel (false copper).元素描述:hard, malleable, silvery-white metal. found in the earth's crust in portions **eraging 70 ppm. it can be pol**hed to a lustrous fin**h. virtually no corrosion under normal conditions.元素来源:chiefly found in pentlandite [(ni,fe)9s8] ore. the metal ** produced by heating the ore in a blast furnace which replaces the sulfur with oxygen. the oxides are then treated with an acid that reacts with the iron not the nickel.元素用途:used in electroplating and metal alloys because of its res**tance to corrosion. also in nickel-cadmium batteries; as a catalyst and for coins. 20210311