Chemistry, 09.11.2019 04:31 lllamasarebae3061

Draw the molecule by placing atoms on the grid and connecting them with bonds. include all lone pairs of electrons.
determine what is wrong with (a) lewis structure and write the correct structure.
determine what is wrong with (b) lewis structure and write the correct structure.
determine what is wrong with (c) lewis structure and write the correct structure.
determine what is wrong with (d) lewis structure and write the correct structure.

Draw the molecule by placing atoms on the grid and connecting them with bonds. include all lone pair

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Answer from: myhomeacc32

Answer : The correct Lewis structure is shown below.

Explanation :

Lewis-dot structure : It shows the bonding between the atoms of a molecule and it also shows the unpaired electrons present in the molecule.

In the Lewis-dot structure the valance electrons are shown by 'dot'.

The representation of valence electrons of an atom by dots around the symbol of an element is said to be the Lewis-dot symbol.

In the representation of Lewis-symbol, one electron dot must put on each side of the element symbol then paired the electrons.

(a) The given molecule is, NH_3

As we know that nitrogen has '5' valence electrons and hydrogen has '1' valence electrons.

Therefore, the total number of valence electrons in NH_3 = 5 + 3(1) = 8

According to Lewis-dot structure, there are 6 number of bonding electrons and 2 number of non-bonding electrons.

(b) The given molecule is, OCl_2

As we know that oxygen has '6' valence electrons and chlorine has '7' valence electrons.

Therefore, the total number of valence electrons in OCl_2 = 6 + 2(7) = 20

According to Lewis-dot structure, there are 8 number of bonding electrons and 12 number of non-bonding electrons.

As we know that carbon has '4' valence electrons, oxygen has '6' valence electrons and hydrogen has '1' valence electrons.

Therefore, the total number of valence electrons in HCOOH = 4 + 2(1) + 2(6) = 18

According to Lewis-dot structure, there are 10 number of bonding electrons and 8 number of non-bonding electrons.

(d) The given molecule is, HBr

As we know that bromine has '7' valence electrons and hydrogen has '1' valence electrons.

Therefore, the total number of valence electrons in HBr = 1 + 7 = 8

According to Lewis-dot structure, there are 2 number of bonding electrons and 6 number of non-bonding electrons.

Draw the molecule by placing atoms on the grid and connecting them with bonds. include all lone pair

Answer from: Quest

Nonmetals usually react by gaining electrons

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