知识贝壳
知识贝壳
所属栏目：英汉双解化学
A spectrum composed of anumber of discrete lines corresponding tosingle wavelengths of emitted or absorbedradiation. Line spectra are produced by at-oms or simple (monatomic) ions in gases.Each line corresponds to a change in elec-tron orbit,with emission ......（本文共 325 字 ） [阅读本文] >>