49. A molecule of water is made up of two atoms of hydrogen and one atom of oxygen.(改为同义句 A molecule of water two atoms of hydrogen and one atom of oxygen. 相关知识点: 试题来源: 解析 【答案】consistsof【核心词汇】molecule 分子;atom 原子【翻译】一个水分子由两个氢原子和一个氧...
Hence, the age of the universe is 13.7 billion years in this model. The excitation and absorption of photons by the hydrogen atom are put in a geometry comprising a momentum observer and another observer of tangential velocities. Hereby the electron oscillating in one dimen- sion on average co...
49. A molecule of water is made up of two atoms of hydrogen and one atom of oxygen.(改为同义句) A molecule of water ___ ___ two atoms of hydrogen and one atom of oxygen. 相关知识点: 试题来源: 解析 【答案】consistsof【核心短语/词汇】bemadeupof 由...组成【翻译】一个水分子是由...
To determine which molecule is made of a single ring of atoms, we need to analyze the types of nitrogenous bases found in nucleic acids (DNA and RNA). These bases can be categorized into two groups: pyrimidines and purines.1. Identify t
“One way I like to think about it is that the energy of this single neutrino is equivalent to the energy released by splitting not one uranium atom, or ten such atoms, or even a million of them,” explains Brad K. Gibson, a KM3NeT collaboration mem...
【题目】CO2 is ___ one carbon atom(碳原子)and two oxygen(氧)atoms. A.made fromB.made ofC.made up of 试题答案 在线课程 【答案】C 【解析】 句意:CO2有一个碳原子和两个氧原子组成。 考查动词短语。A. made from表示由……制成,看不出原材料;B. made of表示由……制成,可以看出原材料;C...
What substance is made up of one type of atom only? What is an atom? Explain. What is the difference between elements, molecules, and atoms? Which of an atom's electrons are involved in chemical reactions? Where do elements come from? How are natural elements formed? What are the 3 par...
【题目】CO2 is ___ one carbon atom(碳原子)and two oxygen(氧)atoms. A.made fromB.made ofC.made up of试题答案 在线课程 【答案】C 【解析】 句意:CO2有一个碳原子和两个氧原子组成。 考查动词短语。A. made from表示由……制成,看不出原材料;B. made of表示由……制成,可以看出原材料;C....
atom - The atom whose type will be checked atom - The type to check for Will accept either a message or an atom of the type. Outlets float - 1 for true or 0 for false Messages [set$1 ( - Set the type to check for. [has] ...
1, if the respective mixed crystal compositions of the active layer 13, cladding layers 12 and 14 are set such that the degree of the lattice mismatching is 0.2% or less, a kink level was about 40 mW, thereby limiting the maximum operating optical output. One of the mechanisms in the ...