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File Edit View History Bookmarks Window Help ezto.mheducation.com value: 4.54 points Complete and correctly sequence the steps for drawing Lewis structures Once sestences are complete, drag & drep the labels below into the correct order Distribute the remaining electrons as pairs so that each atom ends up with eight electrons (or two for H). First placo Ion pairs on mm L -- electronegative) atoms to give each an octet . If any electrons remain, place them on the central afom add six Then choeck that each atom has eight electrons Determine the total number of valence electrons available. For polyatomic ions, add one electron for each negative charge, or ubtract one electron for each positive charge. pairs subtract less four Draw a single bond from each surrounding atom to the central atom, and subtract two valence electrons for each bond. one higher octet bonding If the atom still does not have an octet, make a multiple bond by changing a lone pair from one of the surrounding atoms into a bonding pair to the central atom. more two eight lower Place the atoms relative to each other. Place the atom with lower group number electronegativity. If atoms have the same group number, place the atom with the higher period number in the center central in the center because it has the Reset Zoom Help

Explanation / Answer

1.

Determine the total number of valence electrons available. For polyatomic ions add one electron for each negative charge and subtract one electron for each positive charge.

2.

Place the atoms relative to one another. place the atom with lower group number in the central because it has the lower electronegativity . If the atoms have the same group number place the atom with, place the atom with higher period in the center.

3.

Draw a single bond from each surrounding atom to the central atom, and substract two valence electrons fro each bond.

4.

distribute the reamining electrons as lone pairs sothat each atom ends up with eight electrons ( or two for H). first place the lone pairs on more electronegative atoms to give each an octet. If any electrons remain palce them on the central atom. Then check that each atom has eight electrons.

5.

If the central atom doesnot have the octet , make a multiple bond by changing a lone pair from on of the surrounding atoms into bonding pair into central atom.

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