One of the Hypotheses Involved in the Discovery of Radium

question 34

Multiple Choice

One of the hypotheses involved in the discovery of radium was:

• A) Pure uranium contained an unknown element later known as radium.
• B) The intense rays emitted by pitchblende were caused by uranium.
• C) The intense rays emitted by pitchblende were caused by impurities in the crystals.
• D) It would be possible to produce a radioactive isotope of barium.
• E) Mendeleev's periodic table of the elements was incorrect in some respects.

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Definitions:

Reverse Logistics

The process of moving goods from their typical final destination back to the manufacturer or distributor for returns, repairs, or recycling.

Recycles

The process of converting waste materials into new materials and objects.

Reusable Materials

Items that can be used multiple times for the same or a new purpose, reducing waste and promoting sustainability.

Outdated Computers

Computers that have become obsolete due to advances in technology or software.