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59 Lanthanide
Pr

Praseodymium

RIS 0.022
Velocity
Rank#70
Co-citedSm
Physical properties
Category Lanthanide
Block f-block
State Solid
Config [Xe] 4f3 6s2
Electronegativity 1.13
Density 6.773 g/cm³
Melting 1208.0 K
Boiling 3793.0 K
Ionization 527.0 kJ/mol
Oxidation +2, +3, +4
Discovered 1885 · Carl Auer von Welsbach
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
Journal of the American Chemical Society · 2025 · 100th percentile for its age
ACS Catalysis · 2025 · 95th percentile for its age
Journal of Hazardous Materials Advances · 2025 · 97th percentile for its age
Top papers, last 5 years
Journal of the American Chemical Society · 2025 · 100th percentile for its age
ACS Catalysis · 2025 · 95th percentile for its age
Journal of Hazardous Materials Advances · 2025 · 97th percentile for its age
Newest papers
Carbon Trends · 2026 · 92nd percentile for its age
Inorganic Chemistry · 2026 · 95th percentile for its age
Colloids and Surfaces A: Physicochemical and Engineering Aspects · 2026 · 92nd percentile for its age

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Praseodymium's history

Research intensity over time

Praseodymium's history

Praseodymium's research intensity, 1900 → today.

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Advanced visualization features

Praseodymium's associations

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

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