A fluorine atom has seven valence electrons. ... Carbon will then have five valence electrons (its four and the one its sharing with fluorine). Covalently sharing two electrons is also known as a “single bond.” Carbon will have to form four single bonds with four different fluorine atoms to fill its octet.
Chromium sulfate.
Cr is chromium, and SO4 is sulfate.
It is the mass of one mole of the substance.
Answer:
molecular so number 3. ...
