A branch of physical science that is concerned with the study of matter and energy and how they interact.
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A group -CH3, derived from methane. For example, CH3Cl is "methyl chloride" (systematic name: chloromethane); CH3OH is "methyl alcohol" (systematic name: methanol).
强酸性是完全离解成氢离子和阴离子在解决方案中的一种酸。强的酸是强电解质。有只有六个常见强的酸: HCl （盐酸）、 哈佛商业评论 (溴化氢酸)、 喜 (碘酸)、 h2 如此 4 (硫酸)、 HClO4 (高氯酸)，和 HNO3 ...
Experimental determination of heat absorbed or released by a chemical or physical change.
A type of covalent bond in which the electron density is concentrated around the line bonding the atoms.
大部分的电子在原子核位于共价键的类型。
措施的辐射输出的仪器。
可用做工作在恒定的温度和压力系统的能量。
