如何判别是什么晶体?
首先记住原子晶体,有Si元素的基本上是原子晶体,还有金刚石也是原子晶体,记住就可以了.
然后,一般来说,离子化合物就是离子晶体,如Nacl等
共价化合物一般来说就是分子晶体,如CO2等
猜你喜欢
- 1do you have lost of clever friends?变为陈述句
- 2求翻译:Home is where you hang your head.
- 3In fact,I don't know why I want to be a farmer.
- 4send an e-mail address的意思
- 5如图,三角形ABC中,角ABC=2角C,AD垂直BC于D,点D在线段CB的延长线上,求AB,BD,CD之间的数量关系
- 6What music do you often listen at home?英语纠错(可能一个句子里有好几个)
- 7《书虫》的英语读后感
- 8It's really nice of you.Nice to meet you.区别
- 9已知方程x^2+px+q=0的两根是a,b.求证:一元二次方程qx^2+p(1+q)x+(1+q)^2=0的根为a+1/b和b+1/a
- 10已知一个菱形的周长是20cm,两条对角线的比是4:3,则这个菱形的面积是( ) A.12cm2 B.24cm2 C.48cm2 D.96cm2