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The arrangement of the electrons in an atom is known as its electron configuration.
The alkaline earth elements electron structure end in s2
Potassium must lose one electron (to have the same configuration as the noble gas argon), and fluorine must gain one electron (to have the same configuration as neon)
For the electron configuration of aluminum see the link below.
The electron configuration of palladium is [Kr]4d10.
selenium
The arrangement of the electrons in an atom is known as its electron configuration.
Electron configuration of silicon: [Ne]3s23p2 Electron configuration of germanium: [Ar]3d104s24p2
The alkaline earth elements electron structure end in s2
An electron configuration refers to the distribution of electrons in orbitals. Since there are no ions given for this question, an electron configuration cannot be provided.
Because the protons in the nucleus has a structure similar to the electron (structure) orbital configuration. In fact, you may accept electron configuration as an extension of fields of it's nucleus.
Potassium must lose one electron (to have the same configuration as the noble gas argon), and fluorine must gain one electron (to have the same configuration as neon)
Iron has the electron configuration [Ar]3d64s2.
The electron configuration, in standard form, is [Kr] 4d10 5s2 5p6.
For the electron configuration of aluminum see the link below.
Crystal structure: orthorombic Electron configuration: [Rn].5f3.6d1.7s2 Shell structure: 2.8.18.32.21.9.2 Term symbol: 5L6
The electron configuration, is standard form, is [Kr] 4d10 5s2 5p6.