That number means the ion charge or the number of atoms that the oxygen have
Then it would become: S2-
Its charge will be -2.
Condensation
..when gas cool down into liquid statr its called condensation..
Answer:
Scientists believe that comets are the debris left from the solar nebula which condensed to form the Sun and planets in our solar system. Most comets are thought to originate in a huge cloud called the Oort Cloud. ... Comets follow a regular orbit around the Sun.
Hope this helps! :)
Explanation: