Chemical Elements.com - Neptunium (Np)

“Basic Information Name: Neptunium Symbol: Np Atomic Number: 93 Atomic Mass: (237.0) amu Melting Point: 640.0 °C (913.15 K, 1184.0 °F) Boiling Point: 3902.0 °C (4175.15 K, 7055.6 °F) Number of Protons/Electrons: 93 Number of Neutrons: 144 Classification: Rare Earth Crystal Structure: Orthorhombic...” (from the page’s text)

Topic

Not categorised yet

Quality

Not rated yet

Language

Not detected yet

Text on page

1,341 characters

Page size

8 kB

Answered

OK (200), HTML

Last read

20 Aug 2025

In our index since

20 Aug 2025

Safe search

Safe score 1.00 of 1

Links to it

Not counted yet