Elements

Potassium - K

The element Potassium, atomic number 19, is formed from Type II supernova, which results from star core collapse.

1. Name:
2. Potassium

1. Symbol:
2. K

1. Atomic number (protons):
2. 19

1. How created:
2. Type II supernova

1. Process:
2. star core collapse

1. How created (secondary):
2. Type Ia supernova

1. Process (secondary):
2. white dwarf explosion

1. Group (column):
2. 1

1. Period (row):
2. 4

1. Atomic weight:
2. 39.098300000

1. Melting point:
2. 336.53 K

1. Boiling point:
2. 1032 K

1. Density:
2. 0.8620000 g/cm³

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