The 4 pages are to answer the follow up questions but i do not get it and do not

Question

The 4 pages are to answer the follow up questions but i do not get it and do not know how to answer them
CHEM 1211 Lab Manal Revised 05/2017 e II. Make some observations about the ing the halogen atom in these 4. Look at structures 3, 5, 8, and 9 in Exercis number of bonds and number of lone pairs surround structures. (2 pts.) 5. Given your ans generalities? (2 pts.) ters to the previous four questions, fill in these tables with some Elements number of involved in bondi electron pairs number of lone pairs 6. In fact there are exceptions to the generalities in the table. Give two examples from Exercise II where you find an exception. (1 pt.) Based on your observations of results in Exercise II, name two elements for which the octet rule is satisfied by a number other than eight electrons? (1 pt.) 7. 106

Explanation / Answer

1) as asked, in the given structures,3,4,6 the bonded electrons pairs are on carbon are four and there is no lone pair of electron on it. So all the valence electrons of carbon taken part in bonding.

2) The number of bonds for each oxygen atom is two (two bond electron pairs) in structure 1 and 4. There are two lone pair of electrons.

so the two electrons in oxygen taken part in making bond and rest of the valence electrons (four) are lone pair (non bonded)

3) Nitrogen forms there bonds and there is one lone pair of electron on it. so out of five valence electrons three electrons are involved in bonding and two electrons remain as lone pair of electrons.

4) Chlorine has seven valence electrons. It generally forms one bond and rest of the six electrons remain as three lone pair of electrons

5) Group IV : Number of electron pairs in bonding : four

                  : Number of lone pairs : zero

Group V : Number of electron pairs in bonding : three

                  : Number of lone pairs : one

Group VI : Number of electron pairs in bonding : two

                  : Number of lone pairs : two

Group VII : Number of electron pairs in bonding : one

                  : Number of lone pairs : three

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