Chemical Elements.com - Mendelevium (Md)

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Basic Information

Name: Mendelevium
Symbol: Md
Atomic Number: 101
Atomic Mass: (258.0) amu
Melting Point: Unknown
Boiling Point: Unknown
Number of Protons/Electrons: 101
Number of Neutrons: 157
Classification: Rare Earth
Crystal Structure: Unknown
Density @ 293 K: Unknown
Color: Unknown

Atomic Structure

Number of Energy Levels: 7

First Energy Level:

Second Energy Level:

Third Energy Level:

Fourth Energy Level:

Fifth Energy Level:

Sixth Energy Level:

Seventh Energy Level:

Isotopes

Isotope	Half Life
Md-250	50.0 seconds

Facts

Date of Discovery: 1955
Discoverer: G.T. Seaborg
Name Origin: After Dmitri Ivanovitch Mendeleyev
Uses: No uses known
Obtained From: Man-made

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