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Decide whether the Lewis structure proposed for each molecule is reasonable or not. molecule proposed Lewis structure Is this a reasonable structure? If not, why not? BH2+ [ H — B — H ]+ Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: OF2 .. .. .. F = O = F .. .. .. Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: CO2 .. .. O — C — O .. .. Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: * If two or more atoms have the wrong number of valence electrons around them, just enter the chemical symbol for the atom as many times as necessary. For example, if two oxygen atoms have the wrong number of electrons around them, enter the symbol O twice. 

          Decide whether the Lewis structure proposed for each molecule is reasonable or not.
molecule
proposed Lewis structure
Is this a reasonable structure?
If not, why not?
BH2+
[ H — B — H ]+
Yes, it's a reasonable structure.
No, the total number of valence electrons is wrong.
The correct number is:
No, some atoms have the wrong number of electrons around them.
The symbols of the problem atoms are:
OF2
.. .. ..
F = O = F
.. .. ..
Yes, it's a reasonable structure.
No, the total number of valence electrons is wrong.
The correct number is:
No, some atoms have the wrong number of electrons around them.
The symbols of the problem atoms are:
CO2
.. ..
O — C — O
.. ..
Yes, it's a reasonable structure.
No, the total number of valence electrons is wrong.
The correct number is:
No, some atoms have the wrong number of electrons around them.
The symbols of the problem atoms are:
* If two or more atoms have the wrong number of valence electrons around them, just enter the chemical symbol for the atom as many times as necessary. For example, if two oxygen atoms have the wrong number of electrons around them, enter the symbol O twice.
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Decide whether the Lewis structure proposed for each molecule is reasonable or not. molecule proposed Lewis structure Is this a reasonable structure? If not, why not? BH2+ [ H — B — H ]+ Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: OF2 .. .. .. F = O = F .. .. .. Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: CO2 .. .. O — C — O .. .. Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: * If two or more atoms have the wrong number of valence electrons around them, just enter the chemical symbol for the atom as many times as necessary. For example, if two oxygen atoms have the wrong number of electrons around them, enter the symbol O twice.

Added by Scott J.

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Chemistry: Structure and Properties
Chemistry: Structure and Properties
Nivaldo Tro 2nd Edition
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Decide whether the Lewis structure proposed for each molecule is reasonable or not. molecule: BH2+ proposed Lewis structure: [H-B-H]+ Is this a reasonable structure? If not, why not? Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: molecule: OF2 proposed Lewis structure: F=O=F Is this a reasonable structure? If not, why not? Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: molecule: CO2 proposed Lewis structure: O-C-O Is this a reasonable structure? If not, why not? Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: * If two or more atoms have the wrong number of valence electrons around them, just enter the chemical symbol for the atom as many times as necessary. For example, if two oxygen atoms have the wrong number of electrons around them, enter the symbol O twice.
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Decide whether the Lewis structure proposed for each molecule is reasonable or not. molecule | proposed Lewis structure | Is this a reasonable structure? If not, why not? OCl2 | : Cl — O — Cl : | Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: BH2+ | [ H — B — H ]+ | Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: PF4- | [ : F : | : F — P — F : | | : F : ]- | Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: * If two or more atoms have the wrong number of valence electrons around them, just enter the chemical symbol for the atom as many times as necessary. For example, if two oxygen atoms have the wrong number of electrons around them, enter the symbol O twice.

Jennifer H.
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Decide whether the Lewis structure proposed for each molecule is reasonable or not. molecule proposed Lewis structure Is this a reasonable structure? If not, why not? Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: * If two or more atoms have the wrong number of valence electrons around them, just enter the chemical symbol for the atom as many times as necessary. For example, if two oxygen atoms have the wrong number of electrons around them, enter the symbol O twice.

Jennifer H.
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Decide whether the Lewis structure proposed for each molecule is reasonable or not. proposed Lewis structure Is this a reasonable structure? If not, why not? molecule Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: * If two or more atoms have the wrong number of valence electrons around them, just enter the chemical symbol for the atom as many times as necessary. For example, if two oxygen atoms have the wrong number of electrons around them, enter the symbol O twice.

Bryson D.
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Transcript

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00:01 To know whether or not the given lewis structure is correct or incorrect, let's draw the lewis structure ourselves.
00:08 B2h plus, i'm sorry, bh2 plus, can have its lewis structure written by first calculating the number of valence electrons.
00:20 Boron has three valence electrons.
00:22 Hydrogen has one.
00:23 There are two of them.
00:25 Plus, with the plus charge, we take one electron away, giving us four valence electrons.
00:29 So if we have boron in the middle and we bond hydrogen to it, both hydrogens, then we would have used all four valence electrons, and that's all we can get.
00:44 Boron's not going to have an octet.
00:48 It's only going to have four valence electrons surrounding it because that's all we have.
00:54 So this lewis structure is correct based on the limitations of the number of the number of the number of the valence electrons that are available.
01:05 So the answer here is yes.
01:08 This is a reasonable, really the only possible lewis structure.
01:13 The next one is of2.
01:17 Oxygen has six valence electrons.
01:19 Fluorine has seven.
01:20 There are two of them.
01:21 That gives us 20 valence electrons.
01:24 If we put oxygen in the middle and we bond the two fluorines to it and give each fluorine three lone pairs so that the fluorines have an octet.
01:35 That'll give us two more valence electrons that we can add, sorry, two more pairs of valence electrons that we can add to the oxygen.
01:44 So oxygen has an octet.
01:49 So we've used a total of 246, 8, 10, 12, 14, 16, 18, 20, valence electrons, and this is the correct lewis structure...
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