atomic model, shell model, Bohr

Bohr’s atomic model

This article provides answers to the following questions, among others: What is meant by a shell?What is a postulate?What distinguishes the ground state of an atom?How...
Electron configuration, orbital, aufbau principle, occupation rule, cerium, outer electrons, valence electrons, lower shell, Bohr, Sommerfeld

Bohr-Sommerfeld model

This article provides answers to the following questions, among others: What main innovation did Sommerfeld introduce?How many sub shells does a main shell have?How many electrons...
chemical bond, octet rule, noble gas configuration, helium, neon, argon, krypton, xenon, radon

Octet rule

This article provides answers to the following questions, among others: Why do atoms enter into chemical bonds with other atoms?What distinguishes the noble gas configuration?What is...
covalent bond, hydrogen, chlorine, methane, water, noble gas configuration

Covalent bonding

This article provides answers to the following questions, among others: How is the noble gas configuration achieved in a covalent bond?Between which types of elements does...
ionic bonding, NaCl, common salt, ionic lattice, sodium, chlorine, cation, anion, salts

Ionic bonding

This article provides answers to the following questions, among others: How is the noble gas configuration achieved by an ionic bonding?Between which types of elements does...
metal bond, aluminum, lattice structure, cation, electron gas

Metallic bonding

This article provides answers to the following questions, among others: How is the noble gas configuration achieved in a metal bond?For which materials does the metallic...