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Supernova
Davy's Electrolysis Trough
Diamond
Part of the Periodic Table
Dmitri Mendeleev
Using the Periodic Table
Spectroscope
Molecular model
Atom's Structure
Diamonds
Halogen Elements
Pressure Readings
Salt
Oxygen
Electron Transfer
Sun
Structures of Non-Metal Elements and Compounds
Structures of Non-Metal Elements and Compounds (unlabelled)
Background Radiation (labelled)
Background Radiation (unlabelled)
When Russian scientist Dmitri Mendeleev produced the very first periodic table, there was one group of elements missing – an entire class of six elements he didn't even know existed.
The last group – group 8 – was also the last to be discovered.
Group 8
Also known as Group 0
It was Scottish ...
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