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

  1. The page loads a complete, curated dataset of Rubidium properties.
  2. Properties are grouped into thematic sections: identity, atomic structure, physical, thermodynamic, and chemical.
  3. Use the search box to filter any property by name or value.
  4. Click any value to copy it to the clipboard.
  5. 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