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...
Science How many hydrogen atoms are in a molecule of water?Question:How many hydrogen atoms are in a molecule of water?WaterWater is the common name that we use for the chemical compound H20. Water is a pure substance because it's a compound that's composed of the same kind of ...
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] ...
How many sulfur atoms are present in 0.20 moles of (NH4)2SO4? How many atoms of Sulfur are present in 32.0 moles of Sulfur? How many sulfur atoms are in 3.15 moles of sulfur? How many sulfur atoms are in 2.57 moles of sulfur? How many moles are there in 1.8 x 10^(24) atoms ...
atoms in a drop of water = 3 atoms/molecule x 1.67 x 1021molecules atoms in a drop of water = 5.01 x 1021atoms Or, there are about5 sextillion atoms in a drop of water. Atoms in a Drop of Water vs. Drops in the Ocean One interesting question is whether there are more atoms in ...
<p>To determine how many -OH groups are present in one molecule of sucrose, we can follow these steps:</p><p>1. <strong>Understand the Structure of Sucrose</strong>: - Sucrose is a disaccharide composed of two monosaccharides: glucose and fructose.</
1 mole 1 1 molecule of P4O10 Is that it? Logged Borek Mr. pH Administrator Deity Member Posts: 27838 Mole Snacks: +1811/-412 Gender: I am known to be occasionally wrong. Re: How many atoms of P are in 5 moles of P4O10?
a triatomic molecule contains 3 atoms (e.g. CO2)and e (Note that molecules must be neutral in charge. If a group of atoms carries positive or negative charge this group of atoms is an ion not a molecule.)参考: CE textbooks Actually they are more or less the same. All of...
intramolecular atomsevolutionground stateThe evolution of the ground state Ar ClF potential energy surface including interactions of different order between the Cl and F atoms is considered by means of a simple model interpolating results of high-level ab initio calculations and directly transferable to...
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...