Periodical Table
The set contains 118 cards of all elements of the periodic table.
The set contains 118 cards of all elements of the periodic table.
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Learn more about daily practices.Reactive non-metals
Atomic mass: 1.0078 u
Melting point: -259.14°C (14.01 K)
Boiling point: -252.87°C (20.28 K)
Discovery date: 1766
Reactive non-metals
Atomic mass: 1.0078 u
Melting point: -259.14°C (14.01 K)
Boiling point: -252.87°C (20.28 K)
Discovery date: 1766
Noble gases
Atomic mass: 4.0026 u
Boiling point: -268.93°C (4.22 K)
Discovery date: 1868