Chemical formula of elements and compounds

03.23.2020
10:09:28
Hi students, very good morning
Last class we discussed how to write formula for ionic compounds
In this session we going to continue that .
Our today's concept is formulae of covalent compounds in coursebook pg.no 76 and 77...
For example
1.formulae of carbon dioxide is CO2..
How we get this formula will be explained by the attached video..so watch carefully..