'NO' is nitrogen monoxide.
Compare to
NO2 ; nitrogen dioxide
N2O ; nitrous oxide (laughing gas0.
NB Nitrogen exhibits various oxidation states.
The covalent compound name for SeF2 is selenium difluoride.
The covalent compound name for SCl2 is sulfur dichloride.
F2 is fluorine, which is an element, not a compound.
The name of the covalent compound SeF is selenium (IV) fluoride.
The name of the covalent compound Np3O8 is neptunium octaoxide.
Tricyanogen Its structure is a parallel one to ammonia. N(CN)3 The three nitrile(cyano) functional groups are substituted in for hydrogen . The bonding between 'C' & 'N' in the nitrile is a triple bond (C=N)
CH4 is Methane. The first(smallest) alkane, which is a functional group of hydrocarbons.
XeO3 is Xenon trioxide. NB ; The heavier Noble(Inert) gases, like Xenon, can be 'forced to react' under certain conditions.
The covalent compound name for SeF2 is selenium difluoride.
The covalent compound name for SCl2 is sulfur dichloride.
F2 is fluorine, which is an element, not a compound.
The name of the covalent compound Sil4 is tetrasiilane.
The name of the covalent compound SeF is selenium (IV) fluoride.
The name of the covalent compound Np3O8 is neptunium octaoxide.
The name of the covalent compound SbBr7 is antimony heptabromide.
Phosphorus tetraiodide is the name of the covalent compound with the formula P2I4.
Fe3N2 is ferric nitride, and it is ionic, not covalent.