单词 | electron shell |
例句 | MTT’s was a series of overlain transparencies showing the electron shells of one of the higher elements, perhaps uranium. Letters: Inspired by Michael Tilson Thomas; memories of Jeff Beck 2023-01-23T05:00:00Z Certain of their characteristics, such as the discrete electron shells, are classical physics explanations. College Physics for AP Courses 2015-08-12T00:00:00Z These are similar in concept to the stable electron shells observed for the noble gases. Chemistry 2019-02-14T00:00:00Z The innermost shell has a maximum of two electrons but the next two electron shells can each have a maximum of eight electrons. Biology for AP Courses 2022-06-09T00:00:00Z When two atoms interact, their electron shells overlap. Miller & Levine Biology 2018-01-01T00:00:00Z The electron shell configurations for 29 of the first 36 elements are listed in Table 2.2. Physical Geology 2015-01-01T00:00:00Z These energies are on the order of those between outer electron shells in atoms and molecules. College Physics for AP Courses 2015-08-12T00:00:00Z The charges of cations formed by the representative metals may be determined readily because, with few exceptions, the electronic structures of these ions have either a noble gas configuration or a completely filled electron shell. Chemistry 2019-02-14T00:00:00Z Individual carbon atoms have an incomplete outermost electron shell. Biology for AP Courses 2022-06-09T00:00:00Z The number of electrons in the outer electron shell determines some of the properties of an element. Miller & Levine Biology 2018-01-01T00:00:00Z Although electrons do not follow rigid orbits a set distance away from the atom’s nucleus, they do tend to stay within certain regions of space called electron shells. Anatomy and Physiology 2013-06-19T00:00:00Z The atom’s substructures, such as electron shells and the nucleus, are both interesting and important. College Physics for AP Courses 2015-08-12T00:00:00Z At that point, the pressure pushes atoms' electron shells too close to their nuclei, causing them to spontaneously merge. The discovery of a new type of supernova explains a stellar explosion from A.D. 1054 2021-06-29T04:00:00Z Thus, the columns of the periodic table represent the potential shared state of these elements’ outer electron shells that is responsible for their similar chemical characteristics. Biology for AP Courses 2022-06-09T00:00:00Z The electron shell affects how an atom may participate in chemical reactions. Miller & Levine Biology 2018-01-01T00:00:00Z An electron shell is a layer of electrons that encircle the nucleus at a distinct energy level. Anatomy and Physiology 2013-06-19T00:00:00Z Here, the x ray scatters from an outer electron shell of the atom, giving the ejected electron some kinetic energy while losing energy itself. College Physics for AP Courses 2015-08-12T00:00:00Z Lithium, sodium and potassium, which nicely align in the table’s first vertical column — Group One, the alkali metals, with rubidium, cesium, and francium — all have one electron in their outer electron shell. Is It Time to Upend the Periodic Table? 2019-08-27T04:00:00Z Recall that the Bohr model depicts an atom’s electron shell configuration. Biology for AP Courses 2022-06-09T00:00:00Z The nucleus of the iodine-124 atom captures an electron from the electron shells that surround it. Dark-matter detector observes exotic nuclear decay 2019-04-23T04:00:00Z The atoms of the elements found in the human body have from one to five electron shells, and all electron shells hold eight electrons except the first shell, which can only hold two. Anatomy and Physiology 2013-06-19T00:00:00Z The noble gases are the shy guys of the atomic world—the electron shells around these atoms are filled, so they are chemically inert and do not usually exchange or share electrons with their neighbors. Saturn's Core Might Be Cloaked in a Neon Shield 2015-06-18T04:00:00Z In 1958 the United States discovered that its high-altitude tests of “small kilotonnage” had created electron shells around the earth, about 60 miles thick. We tried to weaponize the weather 2013-04-27T19:00:00Z This orbital is equivalent to the innermost electron shell of the Bohr model of the atom. Biology for AP Courses 2022-06-09T00:00:00Z Tiny differences in the mass of uranium nuclei alter the energy levels of their electron shells. Controversial research: Good science bad science 2012-04-25T17:20:31.727Z This configuration of electron shells is the same for all atoms. Anatomy and Physiology 2013-06-19T00:00:00Z The most basic definition of the actinide series, comprised of elements 89 through 103, is that it results from the sequential filling of the 5f electron shell. The Disappearing Actinides, and Other Frustrations from the Bottom Row of the Periodic Table of the Elements 2012-01-27T18:45:02.817Z Indeed, most other elements form compounds as a way to obtain full outer electron shells. The Evolution of the Periodic System 2011-01-21T23:45:05.210Z The second electron shell may contain eight electrons. Biology for AP Courses 2022-06-09T00:00:00Z It was collapsed matter, the electron shells of the atoms collapsed upon the nuclei, the atoms in actual contact. The Cosmic Computer Two of these fill the first electron shell, and the third spills over into a second shell. Anatomy and Physiology 2013-06-19T00:00:00Z They knew about electron shells, but they have the nucleus pictured as a solid mass. Omnilingual For example, it cannot explain from first principles the order in which electrons fill the various electron shells. The Evolution of the Periodic System 2011-01-21T23:45:05.210Z Larger elements have additional orbitals, making up the third electron shell. Biology for AP Courses 2022-06-09T00:00:00Z These orbits form electron shells or energy levels, which are a way of visualizing the number of electrons in the outermost shells. Biology for AP Courses 2022-06-09T00:00:00Z Again, a look at the periodic table reveals that all of the elements in the second row, from lithium to neon, have just two electron shells. Anatomy and Physiology 2013-06-19T00:00:00Z "Helium's period one, too, but it has the outer—only—electron shell full, so it's in the group of inert elements." Omnilingual This is known as the octet rule, which states, with the exception of the innermost shell, that atoms are more stable energetically when they have eight electrons in their valence shell, the outermost electron shell. Biology for AP Courses 2022-06-09T00:00:00Z This fills their outermost electron shell and makes them energetically more stable. Biology for AP Courses 2022-06-09T00:00:00Z Notice that in this Figure 2.7, helium has a complete outer electron shell, with two electrons filling its first and only shell. Biology for AP Courses 2022-06-09T00:00:00Z A valence shell is an atom’s outermost electron shell. Anatomy and Physiology 2013-06-19T00:00:00Z The tendency of an atom to be stable or to react readily with other atoms is largely due to the behavior of the electrons within the atom’s outermost electron shell, called its valence shell. Anatomy and Physiology 2013-06-19T00:00:00Z The second electron shell can accommodate as many as eight electrons. Anatomy and Physiology 2013-06-19T00:00:00Z |
随便看 |
英语例句辞典收录了117811条英语例句在线翻译词条,基本涵盖了全部常用单词及词组的例句翻译及用法,是英语学习的有利工具。