The chemical element with the atomic number 51 is Antimony (Sb). Antimony is a Metalloid in Group 15(5) of the Periodic Table. It has 51 electrons in 5 electron shells with 5 electrons in the outer shell.
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There are 8 valence electrons in the element Neon, as it is in group 18 of the periodic table.
The element chlorine has seven electrons in its valence shell.
Where do you live? Tell me how many electrons it has first. the number at the bottom of the element in bold black.
You can determine the number of unpaired electrons in an element by examining its electron configuration. Unpaired electrons are found in the outermost energy level, and you can count them by looking for half-filled or singly occupied orbitals in the notation of the element.
Tt's impossible to answer this without the notation.