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Home
»
Chemistry
»
Radioactivity
» Question
Radioactivity
Easy Questions
Moderate Questions
Chemistry
Nature and Composition of Substances
Atomic Structure
Radioactivity
Periodic classification of element
Chemistry in Every Day Life
Biomolecules
Hydrocarbons and Its Derivatives
Non Metals and Their Compounds
Metals and Their Compounds
Surface Chemistry
Electrolytes & Electrochemistry
Solutions
Thermodynamics and Energetics
Catalysis
Properties of Gases
Acids, Bases and Salt
Oxidation and Reduction
Chemical Bonding
Chemistry miscellaneous
Natural radioactivity
was discovered by
Rutherfoed
Becquerl
Curic
Schmidt
Correct Option:
B
NS
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