Information valid for Lr-262 unless otherwise noted

Lawrencium

Basic Information

Symbol: Lr
Atomic Number: 103
Mass: (262.0)
Melting Point: Unknown
Boiling Point: Unknown
Number of Protons/Electrons: 103
Number of Neutrons: 159
Classification: Rare Earth
Crystal Structure: Unknown
Density @ 293 K: Unknown
Color: Unknown

Atomic Structure

Number of Energy Levels: 7 First Energy Level: 2 Second Energy Level: 8 Third Energy Level: 18 Fourth Energy Level: 32 Fifth Energy Level: 32 Sixth Energy Level: 9 Seventh Energy Level: 2

Isotopes

Facts

Date of Discovery: 1961
Discoverer: A. Ghiorso
Name Origin: After Ernest Lawrence
Uses: No uses known
Obtained From: Man-made