“valency”的概念、定义、习题解题方法及翻译-物理辞典

单词	valency
释义	valency(valence) The combining power of an atom or radical, equal to the number of hydrogen atoms that the atom could combine with or displace in a chemical compound (hydrogen has a valency of 1). It is equal to the ionic charge in ionic compounds; for example, in Na₂S, sodium has a valency of 1 (Na⁺) and sulphur a valency of 2(S^2-). In covalent compounds it is equal to the number of bonds formed; in CO₂ both carbon and oxygen have a valency of 2
随便看	Poincaré group Poincaré sphere Poincaré stresses point defect point discharge point-contact transistor poise Poiseuille's equation poison Poisson's ratio polar coordinates polar molecule polar vector polarimeter polarizability polarization polarization of light polarizer polarizing angle Polaroid polaron pole pollution polonium polychromatic radiation

物理辞典收录了3346条物理词条，基本涵盖了常用物理知识及物理英语单词词组的翻译及用法，是物理学习的有利工具。