Question
Asked Nov 21, 2019
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What is the total number of valence electrons in the Lewis structure of SO42-?

    electrons


(2) Draw a Lewis structure for SO42-. Do not include the charge in your drawing.

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Expert Answer

Step 1

(1)

The valence electrons are the outermost orbital containing electrons in an atom.

The atomic number of sulfur and oxygen is 16 and 8 respectively. By the electronic configuration, the sulfur and oxygen valence electrons are 6 and 6 respectively.

Atoinic nun be 16
Electronic confi gura ton
of Salfur
is
Ou termort hel)
6Valence electyons
O ptomic
Electronic Confguration ir
outermert hel)
valence
electvonf
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Atoinic nun be 16 Electronic confi gura ton of Salfur is Ou termort hel) 6Valence electyons O ptomic Electronic Confguration ir outermert hel) valence electvonf

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Step 2

The total number of valence electrons is calculated as follow...

So2 (1x6)(4x 6) + 2e
=32
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So2 (1x6)(4x 6) + 2e =32

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