Atomic model of Bohr (shell model)

Bohr’s atomic model

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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 can an atom absorb or emit...
Covalent bonding

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 the covalent bond mainly occur?For which...
Metallic bonding of aluminum

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 bond have special significance?Where does the...
Main group in the periodic table

Periodic table

This article provides answers to the following questions, among others: How are the elements arranged in the periodic table?What are the periods in the periodic table?Why does the size of atoms increase...
Electron configuration

Bohr-Sommerfeld model

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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 have space within a particular subshell?What...
Structure of matter

Structure of matter

This article provides answers to the following questions, among others: How is a substance constructed at the atomic level?What is a molecule?What is meant by a particle?What does an atomic nucleus consist...