请输入您要查询的英文单词:

 

单词 periodic law
释义

WordReference Random House Unabridged Dictionary of American English © 2024
peri•odic law  (pērē odik, pēr′-),USA pronunciation [Chem.]
  1. Chemistrythe law that the properties of the elements are periodic functions of their atomic numbers.
  2. ChemistryAlso called Mendeleev's law. (originally) the statement that the chemical and physical properties of the elements recur periodically when the elements are arranged in the order of their atomic weights.
  • 1870–75

Collins Concise English Dictionary © HarperCollins Publishers::
periodic law /ˌpɪərɪˈɒdɪk/ n
  1. Also called: Mendeleev's law the principle that the chemical properties of the elements are periodic functions of their atomic weights or, more accurately, of their atomic numbers
随便看

 

英语词典包含188688条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/2/23 6:31:51