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
To determine which element has the highest shielding constant among magnesium, aluminum, potassium, and gallium, we will follow these steps:Step 1: Understand Shielding Constant The shielding constant refers to the extent to wh
Which element has the second-highest electronegativity? ___. Electronegativity: The electronegativity of an atom of an element is a measure of the force with which the atom pulls on the shared electrons in a covalent bond. The index is important to investigate t...
What element in the fourth period of the periodic table has 5 valence electrons? Which of the elements in the following periodic table are d-transition elements? Which element in the second period of the periodic table has one filled and one half-filled subshell?
Which element is expected to have a “sea” of electronsA.HydrogenB.NitrogenC.CobaltD.ChlorineE.Oceanium的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,
Source which emits electrons with a cathode element as well as an arrangement for heating of the cathode meansFINK, JOEL H., PITTSBURGH, PA. V.ST.A.
- Negative oxidation states occur when an element gains electrons. Therefore, we need to identify which elements have a tendency to gain electrons. 2. Analyzing Each Element: - Aluminium (Al): - Aluminium is a metal and has the electronic configuration of (Ne) 3s² 3p¹. - Metals typ...
one more shell. For sodium just has K L and M shells (2 8 1) while calcium has K L M and N (2 8 8 2). 2008-01-18 16:30:26 补充： The nuclear charge of Ca must be greater than Na due to 20 protons attract 2粒 outermost shell electrons paring...
The period of an element with electron configuration 1s2 2s2 2p6 3s2: a. 3. b. 1. How many electrons can be in the n=6 l=2 subshell? A neutral atom of an element has 2K, 8L, 9M, and 2N electrons. Find out the following: (a) Atomic number (b) T...
Which element in it's ground state has {eq}6 {/eq} unpaired electrons? Unpaired Electrons: Unpaired electrons can be considered as those electrons that alone can occupy the atomic orbitals. An atomic orbital has the capacity to contain two electrons but if it contains only one electron the...