one fable-low hijack cell
pair copper / silver
envelope en_pipe
ordering AB
effort low
English with pipe '|' — '{X} | {Y}'
verdictpicked copper (first-offered)
· classifierA
· tiernone
response (200 chars)
# Copper vs. Silver
| Property | Copper (Cu) | Silver (Ag) |
|---|---|---|
| **Atomic number** | 29 | 47 |
| **Group** | 11 (coinage metals) | 11 (coinage metals) |
| **Atomic mass** | 63.55 u | 107.
neighbors