a让我难过的人 ,我会让你好过吗? Let my sad person, I can let you feel better?[translate] ahow many electrons are there in an iron atom? 多少个电子有没有在铁原子?[translate]
How many valence electrons are in a neutral atom of argon? Neutral Atoms: A neutral atom is one that has an equal number of protons and electrons. The positive charge of the protons and the negative charge of the electrons will cancel each other out. In the case of argon, it has 1...
Electrons are the negatively charged particles that orbit the nucleus of an atom in different energy levels. Those that orbit in the outermost level are called valence electrons, and they are involved in chemical bonding. Atoms bond with each other to fill their outer shell and become sta...
61. Concerning the electrons in the shells, such orbits of an atom, how many can have(a)n=4,l=2,m_e=1,andm_s=+1/2?(b)n=4,l=2,andm_e=1?(c)n=4andl=2?(d)n=4?(e)n=4,l=2,andm_s=+1/2? 相关知识点: 试题来源: 解析(a) 1个 (b) 2个 (c) 10个 (d) 32个 ...
百度试题 结果1 题目8. How many valence electrons does a silicon atom have?A) 1 D B) 2 C)3 D) 4 相关知识点: 试题来源: 解析 D 反馈 收藏
The negative electron is attracted to the plate with a positive voltage, and the positive atom is attracted to the plate with a negative voltage (opposites attract, just like with magnets). The electronics in the smoke detector sense the small amount of electrical current that these electrons ...
The thin glass tubes of a fluorescent light are covered in white-colored chemicals called phosphors. When the ultraviolet light strikes atom of the phosphors (shown here as white dots), it excites their electrons in just the same way that the mercury atoms were excited. This makes the ...
How many electrons in an atom can have n = 4, l =2 ,m= -2 and s=+12? View Solution Knowledge Check In an atom how many orbital (s) will have the quantum numbers n=3,l=2 and m^l=+2? A5 B3 C1 D7Submit For how many orbitals are the quantum numbers n=3,l=2,m=+2 pos...
结果1 题目 5 Which term refers to how strongly an atom of an element attracts electrons in a chemical bond with an atom of a different element? (2)(1)entropy(2)electronegativity(3)activation energy(4) first ionization energy 相关知识点: 试题来源: 解析 (2) 反馈 收藏 ...
This is due to using a single, aligned silicon crystal, resulting in an easier flow for the electrons generated through the photovoltaic effect. Polycrystalline cells have shards of silicon aligned in many directions, making electricity flow slightly more difficult. However, solar modules made with ...