Mercury has how many Valence Electrons?

Mercury contains two valence electrons, which are both in the 6s shell of the atom. An electron in an atom’s outermost shell is known as a valence electron. Valence electrons can build compounds by connecting with the valence electrons of other atoms.

The number of valence electrons can be calculated using mercury’s electron configuration. 1s2 2s2p6 3s2p6d10 4s2p6d10f14 5s2p6d10 6s2p6d10 6s2p6d10 6s2p6d10 6s2p6d10 6s2p6d10 6s2p6d10 6s2p6d10 6s2p6d10 The energy level is indicated by the first number in each segment. The orbital is further away from the nucleus of the atom as the energy level rises. The letter s specifies the type of shell at the sixth energy level, while the number two indicates that this outermost shell contains two electrons.

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Misha Khatri
Misha Khatri is an emeritus professor in the University of Notre Dame's Department of Chemistry and Biochemistry. He graduated from Northern Illinois University with a BSc in Chemistry and Mathematics and a PhD in Physical Analytical Chemistry from the University of Utah.


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