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Basic Information

Name: Nickel
Symbol: Ni
Atomic Number: 28
Atomic Mass: 58.6934 amu
Melting Point: 1453.0 °C (1726.15 K, 2647.4 °F)
Boiling Point: 2732.0 °C (3005.15 K, 4949.6 °F)
Number of Protons/Electrons: 28
Number of Neutrons: 31
Classification: Transition Metal
Crystal Structure: Cubic
Density @ 293 K: 8.902 g/cm³
Color: white

Atomic Structure

Number of Energy Levels: 4

First Energy Level:

Second Energy Level:

Third Energy Level:

Fourth Energy Level:

Isotopes

Isotope	Half Life
Ni-56	6.1 days
Ni-57	35.6 hours
Ni-58	Stable
Ni-59	76000.0 years
Ni-60	Stable
Ni-61	Stable
Ni-62	Stable
Ni-63	100.0 years
Ni-64	Stable
Ni-65	2.51 hours

Facts

Date of Discovery: 1751
Discoverer: Alex Cronstedt
Name Origin: From the German word kupfernickel (false copper)
Uses: electroplating metal alloys, nickel-cadmium batteries
Obtained From: pentlandite

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