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102 Actinide
No

Nobelium

RIS 0.001
Velocity
Rank#100
Co-citedLr
Physical properties
Category Actinide
Block f-block
State Solid
Config [Rn] 5f14 7s2
Electronegativity 1.3
Density 9.9 g/cm³
Melting 1100.0 K
Ionization 642.0 kJ/mol
Oxidation +2, +3
Discovered 1966 · Joint Institute for Nuclear Research (Dubna)
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
Progress in Particle and Nuclear Physics · 2025 · 78th percentile for its age
Physical Review C · 2024 · 73rd percentile for its age
Nature · 2024 · 72nd percentile for its age
Top papers, last 5 years
Progress in Particle and Nuclear Physics · 2025 · 78th percentile for its age
Physical Review C · 2024 · 73rd percentile for its age
Nature · 2024 · 72nd percentile for its age
Newest papers
Nuclear Physics A · 2026 · 74th percentile for its age
Journal of Physics G Nuclear and Particle Physics · 2026 · 32nd percentile for its age
Physical review. A/Physical review, A · 2026 · 32nd percentile for its age

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Nobelium's history

Research intensity over time

Nobelium's history

Nobelium's research intensity, 1900 → today.

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Advanced visualization features

Nobelium's associations

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

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