What serious discussion did the Curies have when the radium industry was about to be born?
What was the decision they took?
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13
Answer:
Explanation:
ᴛʜᴇy ꜰᴏᴜɴᴅ ᴛʜᴀᴛ ᴛʜᴇ ᴍɪɴᴇʀᴀʟ ᴩɪᴛᴄʜʙʟᴇɴᴅᴇ ᴡᴀꜱ ᴍᴏʀᴇ ʀᴀᴅɪᴏᴀᴄᴛɪᴠᴇ ᴛʜᴀɴ ᴜʀᴀɴɪᴜᴍ ᴀɴᴅ ᴄᴏɴᴄʟᴜᴅᴇᴅ ᴛʜᴀᴛ ɪᴛ ᴍᴜꜱᴛ ᴄᴏɴᴛᴀɪɴ ᴏᴛʜᴇʀ ʀᴀᴅɪᴏᴀᴄᴛɪᴠᴇ ꜱᴜʙꜱᴛᴀɴᴄᴇꜱ. ꜰʀᴏᴍ ɪᴛ ᴛʜᴇy ᴍᴀɴᴀɢᴇᴅ ᴛᴏ ᴇxᴛʀᴀᴄᴛ ᴛᴡᴏ ᴩʀᴇᴠɪᴏᴜꜱʟy ᴜɴᴋɴᴏᴡɴ ᴇʟᴇᴍᴇɴᴛꜱ, ᴩᴏʟᴏɴɪᴜᴍ ᴀɴᴅ ʀᴀᴅɪᴜᴍ, ʙᴏᴛʜ ᴍᴏʀᴇ ʀᴀᴅɪᴏᴀᴄᴛɪᴠᴇ ᴛʜᴀɴ ᴜʀᴀɴɪᴜᴍ.
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4
Answer:
They found that the mineral pitchblende was more radioactive than uranium and concluded that it must contain other radioactive substances. From it they managed to extract two previously unknown elements, polonium and radium, both more radioactive than uranium.
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