The table shows the names of some substances. It also shows whether each substance is an element or a compound, and the type of chemical bonding present.
Complete the table by identifying whether each substance is an element or a compound, and its type of bonding (ionic, covalent, or metallic).
| Substance | Element or compound | Type of bonding |
|---|---|---|
| ammonia | ||
| chlorine | covalent | |
| sodium sulfide | compound | |
| zinc |
What is the chemical formula of sodium sulfide?
Which state symbol represents the physical state of chlorine at room temperature?
