铝(拼音:lǚ,注音:ㄌㄩˇ;英語:Aluminum(美國、加拿大)或Aluminium(其他地區)),是一種化學元素,化學符號为Al,原子序數为13,原子量為 26.9815386 u,属于硼族元素,相对密度是2.70。铝是较软的易延展的银白色金属,也是地壳中第三大丰度的元素(仅次于氧和硅),也是丰度最大的金属,在地球的固体表面中占约8%的质量。铝金属在化学上很活跃,因此 … WebRead and listen to Surah Al-Mulk. The Surah was revealed in Mecca, ordered 67 in the Quran. The Surah title means "The Sovereignty" in English and con...
铝的密度是多少
Web简答题. Si和Al原子的相对质量非常接近(分别为28.09和26.98),但是SiO2和Al2O3的密度相差很大,(分别为2.65g/cm 3 ,3.96g/cm 3 ) 。. 试计算SiO2和Al2O3的堆积密 … Web举报. AL(铝)的相对原子质量是多少? 扫码下载作业帮. 搜索答疑一搜即得. 答案解析. 查看更多优质解析. 解答一. 举报. 27...晚了一步,补充,原子序数是13. lbg horn
AL(铝)的相对原子质量是多少?_作业帮 - zuoyebang.temp
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