a. (number of valence electrons for H) + (valence electrons from S) + (valence electrons from O) b. 2 x (number of valence electrons for H) + (valence electrons from S) + 3 x ( What is the total number of valence electrons in a molecu...
For each element, indicate the number of valence electrons, core electrons, and unpaired electrons in the ground state: (a) carbon, (b) phosphorus, (c) neon.Determine the number of valence electrons in each of the following elements. a. Se b....
To understand how the number of valence electrons changes as we move from left to right in the second period of the periodic table, we can follow these steps:1. Identify the Elements in the Second Period: The second period
define valency the combining capacity of an atom is known as its valency. the number of bonds that an atom can form as part of a compound is expressed by the valency of the element. we all know how electrons in an atom are arranged in shells/orbitals. valence electrons are those ...
Atoms with equal numbers of valence electrons have similar chemical properties. The alkali metals (Li, Na, K, Rb, and Cs), for example, all have a single valence electron and all have similar chemical properties. (See, for example, the electronic configurations of lithium and sodium in ...
In subject area: Engineering The word ‘mole’ has been adopted to represent the Avogadro number of atoms of an element, that is, the relative atomic mass of an element. From: Newnes Engineering and Physical Science Pocket Book, 1993 About this pageSet alert Discover other topics ...
The d-block elements could be divided into three groups on the base of their electronic configuration at a given oxidation state. Properties of their compounds are compared to those of compounds of s- and p-elements with similar number of valence electrons. Zn2+ and Cd2+ compounds are close...
Find the total number of compounds having equal all bond lengths equal : PCl5,PF5,SF4,XeF2,XeF4,XeF6,SF6,ClF3,BrF5,Ni(CO)4,IF7 View Solution Find the number of planar molecules. (a)BF3(b)BCl3(c)CO2−3(d)SO3(e)NH3(f)NCl3(g)PCl3(h)PF3 ...
Lithium has an atomic number of 3. How many electrons are there in the outermost (valence) shell? What is the mass number of an element equal to? What is the mass number for bromine? What is the mass number of tritium? What gas has a mass number of 19? What is lithium sulfide's ...
-1 . carbon is a nonmetal and tetravalent i.e has 4 electrons in the valence shell. according to the data, it is the seventeenth most abundant element found on earth. it is found in the minerals of most metals in the form of carbonates. carbon is the 2nd most abundant element in...