know here all things of Radium was invented by which scientist | Marie slodo discovered what ?
question : Electricity was invented or discovered by whom ?
answer : The famous scientist named Marie slodo was the inventor of Radium in the year of 1898.
question : Marie slodo invented which thing and when ?
answer : In ‘1898’ year the well known scientist whose name is ‘ Marie slodo ‘ was the inventor of Radium.
question : when and by whom Radium was discovered ?
answer : Radium was the discovery of Marie slodo which was discovered in 1898 year.
so in short we can say –
invention : Radium
inventor : Marie slodo
year : 1898
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