英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

perna    音标拼音: [p'ɚnə]
全氯萘

全氯□


请选择你想看的字典辞典：
单词字典翻译
perna查看　perna　在百度字典中的解释百度英翻中〔查看〕
perna查看　perna　在Google字典中的解释Google英翻中〔查看〕
perna查看　perna　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Polar vs. Non-Polar Bonds Molecules - ChemTalk
    In this chemistry tutorial, we explain the difference between polar bonds and non-polar bonds We then tell you the definition of a polar molecule, and what a non-polar molecule is
  • Polarity | Definition Examples | Britannica
    The slight electrical charges on dissimilar atoms are called partial charges, and the presence of partial charges signifies the occurrence of a polar bond The polarity of a bond arises from the relative electronegativities of the elements
  • Chemical polarity - Wikipedia
    In chemistry, polarity is a separation of electric charge leading to a molecule or its chemical groups having an electric dipole moment, with a negatively charged end and a positively charged end
  • 6. 1. 7: Molecular Polarity - Chemistry LibreTexts
    In a polar bond, one atom is positively charged and the other is negatively charged A molecule (or polyatomic ion) is polar when one side of the molecule is more positive (or more negative) than the other
  • Polarity: Definition, Example, and How to Determine - Chemistry Learner
    Polarity refers to the condition in which the electric charges on a molecule are separated, leading to a partial positive charge at one end and a partial negative charge at the other It can also refer to the distribution of charges over a pair of atoms chemically bonded in a molecule
  • Polarity in Chemistry: Definition, Examples Easy Guide - Vedantu
    In chemistry, polarity refers to the separation of electric charge within a molecule, leading to a molecule or its chemical groups having an electric dipole moment
  • Polarity: Intro to Chemistry Study Guide | Fiveable
    Polarity refers to the unequal distribution of electrons within a molecule, resulting in the creation of partially positive and partially negative regions This concept is fundamental in understanding the properties and behavior of ionic, molecular, and organic compounds
  • Polarity - GeeksforGeeks
    Polarity in chemistry refers to the distribution of electrons in a molecule, leading to uneven distribution of charge and the development of a positive and a negative pole within the molecule The polarity of a molecule is a crucial factor that influences its physical and chemical properties
  • 3. 4: Bond Polarity - Chemistry LibreTexts
    The polarity of a bond—the extent to which it is polar—is determined largely by the relative electronegativities of the bonded atoms Electronegativity (χ) was defined as the ability of an atom in a molecule or an ion to attract electrons to itself
  • Chemical polarity | Physics | Research Starters - EBSCO
    Chemical polarity refers to the distribution of electric charge within a molecule, leading to regions with distinct positive and negative charges This separation of charge can occur in molecular bonds or across entire molecules





中文字典-英文字典  2005-2009