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27 Transition Metal
Co

Cobalt

RIS 0.083
Velocity
Rank#25
Co-citedSm
Physical properties
Category Transition Metal
Block d-block
State Solid
Config [Ar] 3d7 4s2
Electronegativity 1.88
Density 8.9 g/cm³
Melting 1768.0 K
Boiling 3200.0 K
Ionization 760.4 kJ/mol
Oxidation +2, +3, +4, +5
Discovered 1735 · Georg Brandt
10-year trends

Research trends from the past decade for this element.

Research trends from the past decade: publication rate, citation momentum, emerging applications. A bird's-eye view of how the field has been evolving.

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Top papers of all time
Science · 2025 · 100th percentile for its age
National Science Review · 2025 · 100th percentile for its age
Science · 2025 · 100th percentile for its age
Top papers, last 5 years
Science · 2025 · 100th percentile for its age
National Science Review · 2025 · 100th percentile for its age
Science · 2025 · 100th percentile for its age
Newest papers
Chemical Engineering Journal · 2026 · 100th percentile for its age
Intermetallics · 2026 · 100th percentile for its age
Nature Catalysis · 2026 · 100th percentile for its age

These are the nine that matter most. There are more — browse all of them free.

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Cobalt's history

Research intensity over time

Cobalt's history

Cobalt's research intensity, 1900 → today.

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Advanced visualization features

Cobalt's associations

These shapes are citation clusters: groups of papers that cite each other. They show why Cobalt is moving, not just that it is.

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