Question: is no ionic or covalent?
Answer: If the compoud is made of just two elements that are both non metals such as in SO2, CO, NO, CCl4, the compound is covalent. If the compound is made up of more than two elements, such as in HNO3, Na2CO3, CuSO4. 5H2O, you may need to break the compound into dissociating parts. You will see that, the compounds are ionic.