4. Given the elements: H (Z=1), C (Z=6), N (Z=7) and 0 (Z=8) a) Write the electron configuration for each element.
b) Write the Lewis electron-dot symbol for each element.
c) Write two possible Lewis dot structures for the molecule
HOCN.
d) Name the type of the covalent bond between C and N atom in
the possible Lewis dot structures.
e) Give the number of non-bonding electron pairs for each of the
oxygen and nitrogen atom in each possible Lewis dot structure