(iii) Period 3 (iv) Aluminum (Al) (v) A diagram showing 2 electrons in the first shell, 8 electrons in the second shell, and 3 electrons in the third shell. 该元素位于元素周期表的第13族和第3周期。 * 第13族:元素的电子构型为2,8,3,表明其最外层电子数为3。元素周期表中,族号对应元素...
Which element is in Group 17 and has 7 valence electrons? A. Fluorine B. Chlorine C. Bromine D. All of the above 相关知识点: 试题来源: 解析 D。解析:氟(Fluorine)、氯(Chlorine)、溴(Bromine)都属于第17族(卤族元素),它们的最外层都有7个电子,所以这三个选项都正确,答案为D。
aEight-quark interactions as a chiral thermometer 八夸克互作用作为一个chiral温度计[translate] a他很会弹钢琴 He very can play the piano[translate] aThe element X has three isotopes: X-221, X-220, and X-218, with masses 220.9, 220.0, and 218.1 amu. The relative abundances of these three...
valence electron 价电子kernel electron 内层电子 ( kernel 核)Be 1s2 2s2 价电子与内层电子数相等F 1s2 2s2 2p5 价电子数多于内层电子数Na 1s2 2s2 2p6 3s1 价电子少于内层电子数Ar 1s2 2s2 2p6 3s2 ...相关推荐 1which element has atoms with more valence electrons than kernel electrons?a.Be...
an Au thin film electrode 3 which is formed on this layer 2, an ohmic electrode 4, which is formed on the rear of the substrate 1, and a collector electrode 5, arranged in opposition to the electrode 3 to captures emitted electrons from the electrode 3 in a vacuum atmosphere.;COPYRIGHT...
What element or ion has this core electron configuration? 1s22s22p63s23p4 Electron Configuration: Electron configuration is a systematic way of arranging the electrons of an atom which also shows the energy levels to which the electrons are in. The electron configuration shows...
What element has 10 electrons?Atomic Number:Each known chemical element listed on the periodic table of elements has an atomic number. The atomic number is equal to the number of protons that are present in one atom of that element.Answer and Explanation: ...
Nitrogen Based on electron configuration, the element has 7 electrons. If we assume this as the ground electron configuration, then the element has...Become a member and unlock all Study Answers Try it risk-free for 30 days Try it risk-free Ask a question Our experts can a...
If an element has an electron configuration ending in 3p4, which statements about the element's electron configuration is NOT correct A. There are six electrons in the 3rd shell B. Five different subshells contain electrons C. There are eight electrons in the 2nd shell D. The 3rd shell...
How many valence electrons does the element Mn3+ have? Anions and Cations:If a certain number of electrons are removed from a particular element, it results in cation formation. If electrons are added, anion formation occurs. These gained or loosed electrons corresponds to their respective...