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Q: What are two possible identities for this ion from its element config 1s2 2s 2p6?
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What is the Electron config of Aluminium III?

1s2 2s2 2p6 3s2 3p1


What element has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d11 4p4?

3d11 is not possible, The element with the electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p4 is Selenium (Se).


What element corresponds to 1s2 2s2?

Helium has the electron configuration 1s2


Is iron inert?

Iron is a 'd' block element with electronic config. 1s2 2s2 2p6 3s2 3p6 4s2 3d6. Iron tends to loose the outermost 4s2 electrons to form Fe2+ and later form Fe3+ quickly to attain 3d5 config. as per rule, a half filled d orbital will be more stable i.e. Fe3+. hence iron gets oxidised to Fe3+ easily. Example is the formation of rust. But, zinc is not considered purely a d block element. it has a 3d10 config. which gives inertness


What is the electron configuration of the element Cl?

Noble gas config: [Ne] 3s2, 3p5Electron config: 1s2, 2s2, 2p6, 3s2, 3p5


What element is 1s2 2s2 2p6 3s2 3p5?

This element is chlorine (group 17).


What element only contains a 1s2 orbital?

Helium.


What element has the electron configuration 1s2 2s1?

Lithium (Li) has the electron configuration 1s2 2s1.


Electron configuration for H which has an atomic number of 1?

only one proton means only one electron, therefore, electron config is 1 or 1s1 when acting as a non-metal in an ionic sustance H- has an electron config of 2 or 1s2


What group element is 1s2 2s2 2p6 3s2 3p5?

This element is chlorine (group 17).


What element is 1s2 2s2 2p6 3s2 3p6 4s2 3d7?

Element 27 Cobalt.


What is the symbol of the element with the following electron configuration 1s2 2s2 2p6?

This chemical element is neon (Ne).