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Oxygen
A reactive gas -
Atomic Theory
A theory that all matter is made up of tiny indivisible particles -
Synthesis of Urea
An inorganic substance -
The Periodic Table
A tabular arrangement of chemical elements -
Radioactivity
The emission of ionizing radiation of particles -
The electron
A particle that J.J Thomson discovered -
Plastics
A synthetic material -
Chemical Structure
The arrangement of chemical bonds -
Fullerenes
A molecule of carbon