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Category: UNSURE

Uranium [U]

Characteristics An: 92 N: 146 Am: 238.02891 (3) g/mol Group Name: Actinoid Block: f-block Period: 7 (actinoid) State: solid at 298 K Colour: metallic grey Classification: Metallic Boiling
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Beryllium [Be]

Characteristics An: 4 N: 5 Am: 9.012182 (3) g/mol Group No: 2 Group Name: Alkaline earth metal Block: s-block Period: 2 State: solid Colour: lead grey Classification: Metallic
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Cobalt [Co]

Characteristics An: 27 N: 32 Am: 58.933200 g/mol Group No: 9 Group Name: Transition metals Period: 4 State: solid at 298 K Colour: lustrous, metallic, greyish tinge Classification:
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Platinum [Pt]

Characteristics An: 78 N: 117 Am: 195.078 g/mol Group No: 10 Group Name: Precious metal or platinum group metal Block: d-block Period: 6 State: solid at 298 K
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