- Science/ Chemistry/ Elements/ Cadmium@ (7)
- Science/ Chemistry/ Elements/ Chromium@ (8)
- Science/ Chemistry/ Elements/ Cobalt@ (8)
- Science/ Chemistry/ Elements/ Copper@ (9)
- Science/ Chemistry/ Elements/ Gold@ (9)
- Science/ Chemistry/ Elements/ Hafnium@ (7)
- Science/ Chemistry/ Elements/ Iridium@ (7)
- Science/ Chemistry/ Elements/ Iron@ (8)
- Science/ Chemistry/ Elements/ Manganese@ (8)
- Science/ Chemistry/ Elements/ Mercury@ (8)
- Science/ Chemistry/ Elements/ Molybdenum@ (8)
- Science/ Chemistry/ Elements/ Nickel@ (8)
- Science/ Chemistry/ Elements/ Niobium@ (7)
- Science/ Chemistry/ Elements/ Osmium@ (7)
- Science/ Chemistry/ Elements/ Palladium@ (6)
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- Science/ Chemistry/ Elements/ Platinum@ (7)
- Science/ Chemistry/ Elements/ Rhenium@ (8)
- Science/ Chemistry/ Elements/ Rhodium@ (7)
- Science/ Chemistry/ Elements/ Ruthenium@ (7)
- Science/ Chemistry/ Elements/ Scandium@ (7)
- Science/ Chemistry/ Elements/ Silver@ (7)
- Science/ Chemistry/ Elements/ Tantalum@ (6)
- Science/ Chemistry/ Elements/ Technetium@ (8)
- Science/ Chemistry/ Elements/ Titanium@ (8)
- Science/ Chemistry/ Elements/ Tungsten@ (8)
- Science/ Chemistry/ Elements/ Vanadium@ (8)
- Science/ Chemistry/ Elements/ Yttrium@ (7)
- Science/ Chemistry/ Elements/ Zinc@ (7)
- Science/ Chemistry/ Elements/ Zirconium@ (7)
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