Molecule

(noun.) (physics and chemistry) the simplest structural unit of an element or compound.

布伦特校对

• Two atoms of the element hydrogen unite with one atom of the element oxygen to make one molecule of water. 伯莎M.克拉克. 科学通论.
• What is it that makes a molecule of water differ from a molecule of vinegar, and each differ from all other molecules? 伯莎M.克拉克. 科学通论.
• A group of symbols, such as this, expressing a molecule of a compound is called a _formula_. 伯莎M.克拉克. 科学通论.
• A molecule of water is made up of three atoms. 佚名. 神奇的知识之书.
• For example, the molecule of water has two different atoms, the oxygen atom and the hydrogen atoms; alcohol has three different kinds of atoms, oxygen, hydrogen, and carbon. 伯莎M.克拉克. 科学通论.
• When the two volumes combine with one, the combina tion does not take place, as Dalton had supposed, atom for atom, but each half-mol ecule of oxygen combines with one molecule of hydrogen. 李贝. 西洋科学史.
• When the atoms comprising a molecule are all alike, the substance is called an element, and is said to be a simple substance. 伯莎M.克拉克. 科学通论.
• And yet molecules are made up of even smaller particles, called atoms. 佚名. 神奇的知识之书.
• Even the log of wood which lies heavy and motionless on our woodpile is made up of countless billions of molecules each in rapid incessant motion. 伯莎M.克拉克. 科学通论.
• The molecules of solid bodies cannot escape so readily as those of liquids and gases, and do not travel far. 伯莎M.克拉克. 科学通论.
• In the case of the cologne, some molecules must have escaped from the liquid by the process of evaporation and traveled through the air to the nose. 伯莎M.克拉克. 科学通论.
• Because the ferments of that fermentation feed more easily on the right hand than on the left hand molecules. 李贝. 西洋科学史.
• How Large are Molecules? 佚名. 神奇的知识之书.
• What is it that makes a molecule of water differ from a molecule of vinegar, and each differ from all other molecules? 伯莎M.克拉克. 科学通论.
• Learned men tell us that all hot bodies and all luminous bodies are composed of tiny particles, called molecules, which move unceasingly back and forth with great speed. 伯莎M.克拉克. 科学通论.
• Freezing water into ice is caused by making the molecules, and, in turn, the atoms, stick to each other. 佚名. 神奇的知识之书.
• One volume of hydrogen has the same nu mber of molecules as one volume of oxygen. 李贝. 西洋科学史.
• This great physicist had prov ed t hat cathode rays are composed not of negatively charged molecules, as had been supposed, but of much smaller particles or corp uscles. 李贝. 西洋科学史.
• That gives us about as clear an idea as it is possible to get of the size of molecules. 佚名. 神奇的知识之书.
• Now there are but seventy or eighty different kinds of atoms, and hence there can be but seventy or eighty different substances whose molecules are composed of atoms which are alike. 伯莎M.克拉克. 科学通论.
• Sometimes, however, molecules are composed of a group of atoms all of which are alike. 伯莎M.克拉克. 科学通论.
• Generally molecules are composed of atoms which are different in kind. 伯莎M.克拉克. 科学通论.

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