Question

When was the first radioactive element discovered and how

Answer 1

Answer: Radium was discovered by Marie Sklodowska Curie, a Polish chemist, and Pierre Curie, a French chemist, in 1898. Marie Curie obtained radium from pitchblende, a material that contains uranium, after noticing that unrefined pitchblende was more radioactive than the uranium that was separated from it.

Answer 2

When was the first radioactive element discovered and how

• Radium–The first radio active element was discovered by Marie Curie, a Polish chemist, and her husband Pierre Curie, in 1898.Marie Curie obtained radium from pitchblende, an ore of uranium, which when kept in the dark, gave off a blue light and changed to Radium .
• Curies received Nobel Prize for this discovery.