 |
| |||
| outershell electron | |||
| valency electrons | |||
| valency electron | |||
| valence electron | |||
|
价电子 : 36 phrases in 13 subjects |
| Air defense | 2 |
| Automobiles | 2 |
| Aviation | 1 |
| Chemistry | 3 |
| Electronics | 7 |
| General | 4 |
| Metallurgy | 8 |
| Oil / petroleum | 1 |
| Plastics | 1 |
| Project management | 1 |
| Securities | 2 |
| Sports | 1 |
| Technology | 3 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips