Write the names of the following covalent compounds:
1. SiO2
2. SF6
3. NH3
4. Nitrogen Trichloride
5. Oxygen difluoride
6. Carbon Disulfide
Write the names of the following ionic compounds:
1. NaBr
2. CaO
3. Li2S
4. Potassium iodide
5. Magnesium acetate
6. Ammonium Chloride
