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Valence electrons are the outermost electrons in an atom that are involved in chemical bonding. They determine the reactivity and chemical properties of an element.

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1y ago

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What best describes a valence electrons?

Valence electrons are the outermost electrons in an atom that are involved in forming chemical bonds with other atoms. They determine the atom's reactivity and ability to form compounds. The number of valence electrons can also be used to predict an element's chemical properties.


How many valence shell electrons are there in semiconductor atoms?

Silicon, the most widely used semiconductor, has four valence electrons. This places it in between the conductive metals, which have one to three valence electrons, and the non-conductive non-metals which have five to eight valence electrons.


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Because , Carbon has 4 valence electrons , which is the best number of valence electrons , because it can easily give or take or share that number . . (: ~ Hope this heelps . <3


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This is the atomic orbitals theory.


What best description of the end result of chemical bonding for most atoms?

getting a ful set of valence electrons


What is the best description of the end result of chemical bonding for most atom?

Getting a full set of valence electrons


What is the best description of the end result of chemical bonding for the most atoms?

Getting a full set of valence electrons


What best explains how two oxygen atoms each with six valence electrons can bond with each other?

Two oxygen atoms can form a double bond by sharing two pairs of valence electrons between them, resulting in the formation of an oxygen molecule (O2). This double bond allows both atoms to achieve a stable configuration with a full outer electron shell of eight electrons, following the octet rule.


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How is valence and reactivity related?

Valence electrons are the electrons on the outer shell of an atom. Valence electrons help to determine the reactivity of a substance because atoms do their best to "fill" their outer shell with 8 electrons, thus achieving a more stable energetic state. Different atoms have different numbers of valence electrons, which affects their reactivity. For instance, noble gases are inert because they possess a full set of valence electrons and don't need to "borrow" or "give away" electrons to have a full outer shell. Halogens, on the other hand, are 1 electron away from filling their outer shell, and are very reactive as a result (they attempt to "borrow" an electron with other atoms by forming a chemical bond).