英文字典中文字典Word104.com



中文字典辭典   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   


安裝中文字典英文字典辭典工具!

安裝中文字典英文字典辭典工具!








  • Hydrogen - Wikipedia
    Under standard conditions, hydrogen is a gas of diatomic molecules with the formula H2, called dihydrogen, or sometimes hydrogen gas, molecular hydrogen, or simply hydrogen Dihydrogen is colorless, odorless, non-toxic, and highly combustible
  • H2 Health
    Now housing healthcare professionals with decades of cumulative experience and the finest expertise, H2 Health is a new company poised to establish itself as one of the most trusted and reliable outpatient rehabilitation service providers in America
  • Hydrogen - Formula, Properties, Uses, Facts - Study Chemistry
    Hydrogen, symbol H, molecular formula H2 is a colourless, odourless, tasteless, flammable gaseous chemical substances among the periodic table family
  • Hydrogen - Reactivity, Uses, Properties | Britannica
    One molecule of hydrogen dissociates into two atoms (H 2 → 2H) when an energy equal to or greater than the dissociation energy (i e , the amount of energy required to break the bond that holds together the atoms in the molecule) is supplied
  • Hydrogen (H) - Definition, Preparation, Properties, Uses, Compounds . . .
    We write H2 instead of H because hydrogen naturally exists as a diatomic molecule, meaning two hydrogen atoms bond together to form H2, the most stable form of hydrogen gas
  • Amazon. com: PHM Hydrogen Water Tubes, Tablets for Drinking Water - H2 . . .
    Buy PHM Hydrogen Water Tubes, Tablets for Drinking Water - H2 Molecular Tabs | Magnesium Pills, Electrolytes Hydration Supplement to Support Healthy Aging Energy Boost | 90 Tablets, 3 Months Supply on Amazon com FREE SHIPPING on qualified orders
  • 3. 2: Hydrogen - The Simplest Atom - Chemistry LibreTexts
    This page discusses hydrogen (H), the first element, primarily as the diatomic molecule (H2), a colorless, odorless gas used in industries like ammonia and methanol production
  • What is h2 in chemistry? - California Learning Resource Network
    Hydrogen (H 2), a diatomic molecule consisting of two hydrogen atoms covalently bonded, holds a position of paramount importance in chemistry, physics, and increasingly, in advanced technological applications


















中文字典-英文字典  2005-2009

|中文姓名英譯,姓名翻譯 |简体中文英文字典