Rubidium Element Properties
Look up every key property of Rubidium (Rb, Z=37) — from atomic mass and electron configuration to melting point and electronegativity.
Rb
37
Rubidium
Atomic number 37 · Group 1 · Period 5 · Alkali Metal
A soft, silvery-white metal that ignites spontaneously in air and reacts explosively with water.
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Identity & Classification
Atomic Structure
Physical Properties
Thermodynamic Properties
Chemical Properties
Notable Isotopes
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Summary
Look up every key property of Rubidium (Rb, Z=37) — from atomic mass and electron configuration to melting point and electronegativity.
How it works
- The page loads a complete, curated dataset of Rubidium properties.
- Properties are grouped into thematic sections: identity, atomic structure, physical, thermodynamic, and chemical.
- Use the search box to filter any property by name or value.
- Click any value to copy it to the clipboard.
- Toggle between SI and common units using the unit switcher where applicable.
Use cases
- Quick reference during chemistry homework or exams.
- Verify data for lab reports or research papers.
- Compare Rubidium properties with neighboring alkali metals.
- Study periodic trends (atomic radius, ionization energy, electronegativity).
- Engineering calculations involving Rb-based atomic clocks or photovoltaics.
- Teaching periodic table concepts with accurate, sourced data.
Frequently Asked Questions
Last updated: 2026-06-18 ·
Reviewed by Nham Vu