Several chemicals can produce a bright green flame when burned. Here are some of the most notable ones:
1. **Copper compounds**:
- **Copper(II) chloride (CuCl₂)**: When burned, it can produce a bright green flame.
- **Copper(II) sulfate (CuSO₄)**: Can also produce a greenish flame.
2. **Boron compounds**:
- **Boric acid (H₃BO₃)**: When burned, it can emit a bright green flame.
3. **Strontium compounds**:
- **Strontium