2ZnS + 3O₂ = 2ZnO + 2SO₂
B.3
Answer: It is a molecular compound. (2) It contains a metal. (3) It can conduct electricity as a solid.
Aluminum bromide should be written as AlBr₃ since we are told that there are 3 atoms of Br for every atom of Al.
I hope this helps. Let me know if anything is unclear.
Mass number is the mass number of that particular Element found in the periodic table and the atomic number is the atomic no. Again found in the periodic table
