Question

Decide whether these proposed Lewis structures are reasonable. proposed Lewis structure Is the proposed Lewis structure reasonable? H — O — H Yes. No, it has the wrong number of valence electrons. The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* [ H — H — O — H ]+ Yes. No, it has the wrong number of valence electrons. The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* : F = O = F : Yes. No, it has the wrong number of valence electrons. The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* * If two or more atoms of the same element don't satisfy the octet rule, just enter the chemical symbol as many times as necessary. For example, if two oxygen atoms don't satisfy the octet rule, enter "O,O". Explanation Check

          Decide whether these proposed Lewis structures are reasonable.

proposed Lewis structure
Is the proposed Lewis structure reasonable?
H — O — H
Yes.
No, it has the wrong number of valence electrons.
The correct number is:
No, it has the right number of valence electrons but doesn't satisfy the octet rule.
The symbols of the problem atoms are:*
[ H — H — O — H ]+
Yes.
No, it has the wrong number of valence electrons.
The correct number is:
No, it has the right number of valence electrons but doesn't satisfy the octet rule.
The symbols of the problem atoms are:*
: F = O = F :
Yes.
No, it has the wrong number of valence electrons.
The correct number is:
No, it has the right number of valence electrons but doesn't satisfy the octet rule.
The symbols of the problem atoms are:*
* If two or more atoms of the same element don't satisfy the octet rule, just enter the chemical symbol as many times as necessary. For example, if two oxygen atoms don't satisfy the octet rule, enter "O,O".
Explanation
Check

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Decide whether these proposed Lewis structures are reasonable.

proposed Lewis structure
Is the proposed Lewis structure reasonable?
H — O — H
Yes.
No, it has the wrong number of valence electrons.
The correct number is:
No, it has the right number of valence electrons but doesn't satisfy the octet rule.
The symbols of the problem atoms are:*
[ H — H — O — H ]+
Yes.
No, it has the wrong number of valence electrons.
The correct number is:
No, it has the right number of valence electrons but doesn't satisfy the octet rule.
The symbols of the problem atoms are:*
: F = O = F :
Yes.
No, it has the wrong number of valence electrons.
The correct number is:
No, it has the right number of valence electrons but doesn't satisfy the octet rule.
The symbols of the problem atoms are:*
* If two or more atoms of the same element don't satisfy the octet rule, just enter the chemical symbol as many times as necessary. For example, if two oxygen atoms don't satisfy the octet rule, enter "O,O".
Explanation
Check

Added by Brittany M.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Jennifer Hudspeth

03/31/2023

Step 1

A=0_H: This structure is not reasonable. It's unclear what the "A" represents, but assuming it's a placeholder for an element, it's not connected to the hydrogen atom (H). Also, the "0" could be interpreted as an oxygen atom (O), but it's not connected to Show more…

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Decide whether these proposed Lewis structures are reasonable. proposed Lewis structure Is the proposed Lewis structure reasonable? H — O — H Yes. No, it has the wrong number of valence electrons. The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* [ H — H — O — H ]+ Yes. No, it has the wrong number of valence electrons. The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* : F = O = F : Yes. No, it has the wrong number of valence electrons. The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* * If two or more atoms of the same element don't satisfy the octet rule, just enter the chemical symbol as many times as necessary. For example, if two oxygen atoms don't satisfy the octet rule, enter "O,O". Explanation Check

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Transcript

00:02 Hi there.

00:03 For this question to determine if each of these are the correct lewis structure, let's go ahead and first of all determine the number of valence electrons that should be in the structure.

00:14 So the first thing we have is h3o plus.

00:18 So hydrogen's in group one of the periodic table, and there are three of those.

00:22 So all of the elements in group one have one valence electron.

00:25 Oxygen's in group six, so it has six.

00:28 And then this plus sign means that this ion has lost one electron.

00:33 To end up with a total positive one charge.

00:37 So adding these together, we have three plus six is nine, minus one gives us eight.

00:43 So this should have eight valence electrons, or in other words, eight dots.

00:48 Remembering that a bond is two dots.

00:51 So we see that we have indeed two, four, six, eight.

01:00 Then the other question is, is the octet rule satisfied? well, each hydrogen only needs two, so each hydrogen is good, and oxygen needs eight, and it has two, four, six, eight.

01:12 So this is reasonable.

01:15 So that would be a yes.

01:18 All right, so our first one, it's a pretty good structure.

01:22 Let's look at the next one.

01:24 We have of2.

01:28 So oxygen, again, in group six of the periodic table, so it has six valence electrons.

01:33 Each fluorine is a halogen in group seven, so they each have seven valence electrons.

01:38 This gives us a total of 20 valence electrons or 20 dots.

01:48 So as we look at the structure that we're provided here, we know that each bond represents two electrons.

02:04 So if we add up our electrons here, we have 2, 4, 6, 8, 10, 12, 14, 16.

02:16 Only 16 electrons in this structure...

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