| 1 | A few inches away, another catalyst, platinum, helps that bare proton become hydrogen. | |
| 2 | On her eleventh birthday, her father bought her a convertible. The car had platinum rims and silver spokes. | |
| 3 | It was just a garden variety platinum nucleus pretending to be a monopole by cleverly decaying into osmium and tantalum. | |
| 4 | Palladium (Pd): Palladium is similar to platinum in both appearance and in use; it appears in vehicle emissions equipment and electronics. It's also a key component in fuel cells. | |
| 5 | Palladium (Pd): Palladium is similar to platinum in both appearance and in use; it appears in vehicle emissions equipment and electronics. |