百度试题 结果1 题目43. Which element has atoms with exactly four valence electrons in its ground state? C(A)Ca (B) Cr (C) Si(D)S 相关知识点: 试题来源: 解析 C 反馈 收藏
Which element has the lowest ionization energy? What is the electron configuration of calcium, which has 20 electrons? What is the valence electron configuration for the arsenic atom? Does the octet rule only apply to elements belonging to Groups 1, 2, 13 to 18, since t...
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 ...
Which element is expected to have a “sea” of electrons; Hydrogen ; Nitrogen ; obalt ; hlorine ;E Oceanium
A) Metals B) Non-metals Electron configuration Electron configuration and the abbreviated version is a way to describe the way to arrange electrons with different energy level around atoms, cations, and ions. The electron configuration is one main reason to explain the chemical...
To solve the question of identifying an element that has twice as many electrons in its second shell (L shell) as in its first shell (K shell), we can follow these steps:1. Identify the Shells: - The first shell is known as
更新1: One last question... If the first element of group 1 pares to the last element of group 2... Which is more reactive? And which element of group 2 equals to the reactivity of any element in group 1? For example Ba = Na?? Just for an example..Your question is...
Everyone who studies chemistry learns that an element’s properties are governed by how many electrons (电子) it has. However, when matter contracts to nano-dimensions quantum phenomena arise; these are governed by the size of the matter. The Nobel winners in Chemistry 2023 have succeeded in pr...
Has a -1 charge 3. Has a mass about the same as that of a proton 4. Is att The nucleus of an atom consists of which particles? Name three subatomic particles found in the atom of an element. If an atom has 17 electrons, 20 neutrons, and 19 prot...
The present building all has also filled the fashion element. [translate] a天啊!你在说什么? Day! What were you saying? [translate] aSelect your preferred language 选择您首选的语言 [translate] aNo default location selected (edit) 正在翻译,请等待... [translate] a是一个素食主义者 Is a ...