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| physical object > natural object > particle > element > column grouped element > group IV element > lead |
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| lead comparison table | ||||||
| Subject | has ocean residence time | has occurrence | is a kind of | has group | has image | has ocean concentration |
|---|---|---|---|---|---|---|
| group IV element | column grouped element | 14 | ||||
| metallic element | element | |||||
| scavenged oceanic element | 103 years or less | ocean | oceanic element | decreasing with depth | ||
| lead | 50 years | ocean | scavenged oceanic element | 14 |  | decreasing with depth |
Next group IV element: silicon Up: group IV element, metallic element, scavenged oceanic element Previous group IV element: germanium