Water is made up of two elements, hydrogen and oxygen. How many hydrogen atoms are there in one molecule of water? A. One B. Two C. Three D. Four 相关知识点: 试题来源: 解析 B。解析:一个水分子的化学式是H₂O,这表示一个水分子由两个氢原子和一个氧原子组成,所以答案是B。A选项一...
a出口巴西里约热内卢州 Exporta o estado Brazilian de Rio de Janeiro [translate] ahow many oxygen or hydrogen atoms are there in each molecule of your acid or base when it is dissolved in water 多少氧气或氢原子是那里在您的酸或基地每个分子,当它在水中被溶化 [translate] ...
Poor absorption or permeation of a compound is more likely when there are >5 hydrogen bond donors, the molecular mass is >500, cLogP is >5, and the sum of nitrogen and oxygen atoms in a molecule is greater than 10. Many drugs, however, are exceptions to the rule-of-five, and often...
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The molecular formula of a compound is the chemical formula for molecular compounds. It gives the number of atoms of each element present in one unit. The simplest unit of a molecular compound is known as the molecule.Answer and Explanation: ...
The chemical formula is the formula of a compound in which: We can see which atoms for a certain molecule. Also, we can determine the number of each atom. Most interesting, by adding up the mass of each atom we can get the mass of the molecule....
To calculate the number ofmoleculesand atoms in a water drop, you need to know the chemical formula of water. There are two atoms of hydrogen and one atom of oxygen in each water molecule, making the formula H2O. So, each molecule of water contains 3 atoms. ...
2 hydrogen atoms and 1 oxygen atom group together to form a water molecule. A monatomic molecule contains only 1 atom (e.g. He)a diatomic molecule contains 2 atoms (e.g. HCl)a triatomic molecule contains 3 atoms (e.g. CO2)and e (Note that molecules must be neutral in ...
To determine how many compounds have a zero dipole moment from the given options, we will analyze each compound based on its molecular geometry and the electronegativity of its atoms. 1. CH₃Cl (Methyl Chloride): - Structure: Tetrahedral - Chlorine is more electronegative than carbon, creating...
How many moles are in 7.62 x 10^25 molecules of oxygen? How many atoms are in 100 grams of glucose? How do you convert "587 mg" to grams? How many grams is one molecule of sodium bicarbonate? What is the total number of atoms (not molecules) present in 0.38 mol of H2O? Give the...