:::S-C≡N: resonance with ::S=C=N::
4 pairs either way
Assuming NCS- (as above):
::S=C=N:: is better because the formal charge of -1 is on the most electronegative atom, N.
' ' ' '
S = C = S
. . . .
C = 4 valence electrons
2 x S = 2X6 = 12 valence electrons
that's 16 valence electrons in all
C is least abundant and most electronegative so it goes in the middle of the structure
S = C = S
(in the structure i used the "=" as a double liaison)
there are two links from C so
16 e- -4x2 e- = 16 - 8 = 8 residual electrons
u start filling the electrons around the S in pairs and to respect the octet rule of 8 valence electrons to make it complete and stable.
the final structure is
** **
S = C = S
** **
the " * " are residual electrons
C = 4 valence electrons
2 x S = 2X6 = 12 valence electrons
that's 16 valence electrons in all
C is least abundant and most electronegative so it goes in the middle of the structure
S = C = S
(in the structure i used the "=" as a double liaison)
there are two links from C so
16 e- -4x2 e- = 16 - 8 = 8 residual electrons
u start filling the electrons around the S in pairs and to respect the octet rule of 8 valence electrons to make it complete and stable.
the final structure is
** **
S = C = S
** **
the " * " are residual electrons
The Carbon atom shares a double bond with both the Oxygen and Sulfur atoms. The oxygen and sulfur atoms each have 2 unshared pairs of electons. Thus the octet rule is fulfilled. Enjoy!
.. ..
:o=c=s:
CS. < thats one dot on the side
S (2 lone pairs)
ll
H-C-H
s=c=s
:c:::s:
lewis structure of Cl2O7
Lewis structure was created in 1916.
the chemical formula for carbon disulfide is CS2.
What is Lewis Structure for the bicarbonate ion
No, not exactly. It is an ionic compound so it would not have a Lewis dot structure. However, the carbonate anion, CO3^2- does have a Lewis dot structure.
The electron-pair geometry of CS2 is linear because the Lewis structure is S=C=S. Double bonds act as one electron pair to help determine electron-pair geometries of molecules according to VESPR theory
S=c=s
C=4e- (on periodic table you find C in the Group 4 / 4valence electrons) S=6e- (Group 6/ 6 valence electrons) multiply by 2 12e- 4e- + 12e- ____ 16 valence electrons in CS2
lewis structure of Cl2O7
Lewis structure was created in 1916.
What is Lewis Structure for the bicarbonate ion
Yes, XeF4, or xenon tetrafluoride, has a Lewis structure.
the chemical formula for carbon disulfide is CS2.
No, not exactly. It is an ionic compound so it would not have a Lewis dot structure. However, the carbonate anion, CO3^2- does have a Lewis dot structure.
Potassium oxide (K2O) is an ionic compound, not a molecule, and does not have a Lewis structure.
Resonance
CaO>CS2 (CaO:2572℃ CS2:-110.8℃)