# data[].attributes.body
Type: Metal-nonmetal-metalloid)

`Electron Configuration: Kr 5s1

Isotopes: 87

Melting Point: 38.89 °C (312.04 K, 102.002 °F)
Boiling Point: 688.0 °C (961.15 K, 1270.4 °F)
Number of Protons/Electrons: 37
Number of Neutrons: 48

# data[].attributes.body
Date of Discovery: 1861
Discoverer: R. Bunsen
Name Origin: From the Latin word rubidus (red)
Uses: catalyst, photocells, fireworks,
Obtained From: lithium productio

# data[].attributes.body
Name: Rubidium
Symbol: Rb
Atomic Number: 37
Atomic Mass: 85.4678 amu
Classification: Alkali Metal
Crystal Structure: Cubic
Density @ 293 K: 1.532 g/cm3
Color: silve
Natural

Period: 5

Group: Alkaline Metals

Family: Alkali