Nobelium at Chemical Elements.com 

 

Basic Information


Name: Nobelium
Symbol: No
Atomic Number: 102
Atomic Mass: (259.0) amu
Melting Point: Unknown
Boiling Point: Unknown
Number of Protons/Electrons: 102
Number of Neutrons: 157
Classification: Rare Earth
Crystal Structure: Unknown
Density @ 293 K: Unknown
Color: Unknown


Atomic Structure

[Bohr Model of Nobelium]  
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: 8
    Seventh Energy Level: 2

Isotopes

Isotope Half Life
No-253 1.7 minutes

Facts


Date of Discovery: 1957
Discoverer: Nobel Institute for Physics
Name Origin: After Alfred Nobel
Uses: No uses known
Obtained From: Man-made