3S Elements in Periodic Table
- Practical Electron Microscopy and Database -
- An Online Book -

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This book (Practical Electron Microscopy and Database) is a reference for TEM and SEM students, operators, engineers, technicians, managers, and researchers.

 

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Table 4707a. 3s elements in periodic table


1S 2s 3s 4s 5s 6s 7s 2p 3p 4p 5p 6p 3d 3d 4d 5d 6d 4f 5f Elements Structure of the periodic table

 

Table 4707b. Electron configurations, filling orbitals, and valence electrons of 3s elements

Atomic Number Symbol Name Electron Configuration Filling Orbital Valence Electrons
11 Na Sodium  1s2 2s2p6 3s1  3s1  3s1 
12 Mg Magnesium  1s2 2s2p6 3s2  3s2 3s2

Figure 4707 shows the relation between electron binding energies and atomic number (Z).

Relation between electron binding energies and atomic number (Z)

Figure 4707. Relation between electron binding energies and atomic number (Z) (at low binding energies).

 

 

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