To determine the number of valence electrons in the atom of an element A with atomic number 20 and to identify its valence shell, follow these steps:Step 1: Write the Electronic Configuration The atomic number of element A is 2
we observe that the 21st electron occupies the 3d sub-shell. However, as the previously filled 4th shell (4s) has 2 electrons and is apparently the outermost shell, the number of valence electrons is 2.
The number of valence electrons in the molecule is equal to the sum of valence electrons of each atom present in the molecule. The structural...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough homew...
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 valen...
For valence electron of rubidium (Z = 37) , the correct set of four quantum number are View Solution The correct set of four quantum numbers for valence electrons of rubidium atom (Z=37) is View Solution रूबिडियम(Rb37)के संयोजी इलेक...
A valence electron is anelectronthat is the most likely to be involved in a chemical reaction. They are typically the electrons with the highest value of theprincipal quantum number,n. Another way to think of valence electrons is that they are the outermost electrons in an atom, so they are...
Valence Electrons: A single atom possesses different energy levels. Each energy level is occupied by certain number of electrons. Electrons that are occupied at highest energy level are the valence electrons. Answer and Explanation:1 The given ion is sulphite ion. It has one sulphur ato...
As is known that atoms in covalent compounds and ionic compounds satisfy the octet rule by means of either sharing electrons with neighbor atoms, or transferring electrons from one atom to another44,45,46. As a consequence, the valence electrons’ number per unit molecular formula (Nve) for a...
57 The LB and SB Ni sites are treated as two separate impurity problems (even for zero \(R_1^ +\) amplitude), where the number of electrons per two Ni sites is fixed to 2, but the occupation of each individual Ni site can vary during the calculation (while the solution is ...
To determine the steric number, you usethe Lewis structure. The steric number gives the electron-pair arrangement for the geometry that maximizes the distance between valence electron pairs. When the distance between valence electrons is maximized, the energy of the molecule is at its lowest state...