Go-astronomy logo

Elements

Promethium - Pm

The element Promethium, atomic number 61, is formed from nucelar decay, which results from .

      1. Name:
      2. Promethium
      1. Symbol:
      2. Pm
      1. Atomic number (protons):
      2. 61
      1. How created:
      2. nucelar decay
      1. Period (row):
      2. 6
      1. Atomic weight:
      2. 145.000000000
      1. Melting point:
      2. 1315 K
      1. Boiling point:
      2. 3273 K
      1. Density:
      2. 7.2600000 g/cm3

    Find your inner astronomer. Your complete guide to amateur astronomy.