| 氧 |
yǎng huà gǒng | mercuric oxide (HgO) |
| 氧 |
yǎng | oxygen (chemistry) |
| 氧 |
yǎng huà | to oxidize |
| 化 |
huā | variant of 花 |
| 化 |
huà | to make into / to change into / -ization / to ... -ize / to transform / abbr. for 化学 |
| 汞 |
gǒng | mercury (chemistry) |
| 汞 |
gǒng | variant of 汞 |