The valence electron of Lithium is in the second shell (2s), which has a principal quantum number of 2. Therefore, Lithium belongs to Period 2. Final Answer:- Lithium (Li) belongs to Group 1 and Period 2 of the
What is the total number of valence electrons in the ion SiO32-? What is the third row element that has 4 valence electrons? How many electrons are in the valence shell of the following?\1. H 2. He 3. Li The group number in the periodic table tells us: a. the number ...
Valence electrons has to be defined and the electronic configuration for the given elements has to written to prove the number of valence electrons is equal to the group number Concept Introduction: In the periodic table the elements are grouped based on their ...
A vertical column in the periodic table. The halogens form a group, known for their reactivity. 1 Period An interval of time characterized by the occurrence of a certain condition, event, or phenomenon A period of economic prosperity. Group Elements with the same number of valence electrons. ...
Number of valence electrons present in an element (X) having atomic number 34 is 4 5 7 6 View Solution " The group number,number of valence electrons and valency of an element with the atomic number "15" respectively are " View Solution ...
Which group in the periodic table contains elements with the valence electron configuration of ns^2np^1? Please explain!! Why does the number of valence electrons stay the same down the groups and increase across the periods? What's the difference...
[2] 相关知识点: 试题来源: 解析 (a)lithium: 2.1sodium: 2.8.1potassium: 2.8.8.1They have the same number of valence electrons.All the elementshave one valence electron. 反馈 收藏
23 Elements from Group IV of the Periodic Table are shown.carbon silicon germanium tin lead flerovium Which does not occur down Group IV? C A The elements become more metallic. B.The elements have more electron shells. C The number of outer shell electrons increases.)The proton number of th...
The difference between the hybridization of oxygen compared to nitrogen and carbon is in the number of electrons that are distributed in the orbitals. Oxygen, a Group VIA element, has six valence electrons. An sp3-hybridized oxygen atom has two electrons in each of two sp3 orbitals and one el...
Elements in a group share a common number of valence electrons. For example, all of the elements in the alkaline earth group have avalenceof two. Elements belonging to a group typically share several common properties. The groups in the periodic table go by a variety of different names: ...