3 years ago

Where do you find a valence electron?

Chemistry

2 answers:

slamgirl [31]3 years ago

6 0

Answer:

In chemistry, valence electrons are the electrons that are located in the outermost electron shell of an element.

Explanation:

zimovet [89]3 years ago

5 0

The valence electrons are the electrons that are located in the outer most electron shell of an element.

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Which half-reaction correctly represents oxidation?

Leokris [45]

Answer: $Mg\rightarrow Mg^{2+}+2e^-$ represents oxidation.

Explanation:

Oxidation-reduction reaction or redox reaction is defined as the reaction in which oxidation and reduction reactions occur simultaneously.

Oxidation reaction is defined as the reaction in which a substance looses its electrons. The oxidation state of the substance increases.

Example: $Mg\rightarrow Mg^{2+}+2e^-$

Reduction reaction is defined as the reaction in which a substance gains electrons. The oxidation state of the substance gets reduced.

Example: $Mg^{2+}+2e^-\rightarrow Mg$

$Mg\rightarrow Mg^{2+}+2e^-$ represents oxidation.

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vlada-n [284]

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Serhud [2]

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