What is the maximum number of electrons in an atom that can have the following quantum numbers?(a) n = 2; (b) n = 3 and ,= 1; (c) n = 3,,= 1,and m,= 0; (d) n = 3, ,= 1,m,= −1,and ms = −1/2.
What changes when an ion is made from an atom? A. the number of electrons only B. the number of neutrons only C. the number of protons only D. the number both of protons and of neutrons 相关知识点: 试题来源: 解析 A 考查实际运用。A. 仅电子数量(变化),B. 仅中子数量(变化),C. ...
化学问题~~ what is the number of electrons in an atom of scandium that have an l quantum number of 1? a.1 b.3 c.4 d.6 e.12 答案是选e 为什么e是正确的?有 公式计算吗? 答案 当然是12了,因为Sc的电子排布为1s2 2s2 2p6 3s2 3p6 4s2 3d1,角量子数为1的时候是p电子,Sc中p电子有...
The atomic number (原子序数) is equal to the number of electrons per atom or, what is equivalent, the number of protons (质子) per nucleus.相关知识点: 阅读 文言文阅读 文言题类 文言文阅读——翻译 试题来源: 解析 [答案]原子序数等于每个原子的电子数或者相当于每个原子核的质子数。反馈...
ahis force is of electric nature,and the attraction between electrons of one atom to the nucleus of another atom contribute to what is known as chemical bonds. 他的力量是电自然,并且吸引力在一个原子之间电子对另一个原子中坚力量对什么贡献通认作为化学键。[translate]...
Electrons:The electrons are the negatively charged particles revolving around the nucleus of an atom in definite orbits. transfer of electrons causes the charge of an atom. For a neutral atom, the number of electrons and protons in it is equal. The number of e...
Rule # 2 – an orbital may only hold 2 electrons with opposite spins. Rule #2 - Every orbital in a sublevel is singly occupied before any orbital is doubly occupied Write the electron configuration for a phosphorus atom. First, how many electrons need “homes?” ...
The electron configuration for an atom describes the assignment of the electrons in the atomic orbitals comprising each sub-shell of the electron shells for the atom extending to the outermost shell of occupancy. This is important for predicting how (and which) electrons are shared, donated, or ...
百度试题 结果1 题目6 An atom of element Q contains 19 electrons, 19 protons and 20 neutrons.What is Q? B A calcium B potassium C strontium D yttrium 相关知识点: 试题来源: 解析 B 反馈 收藏
However, atoms are electrically neutral, whereas electrons are negatively charged. So Thomson, reasonably, thought that there must be something inside the atom with a positive charge that was canceling out the negative charges of the electrons. What he envisaged was called the "Plum Pudding Model...