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  • 01-09-2020
  • Social Studies
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How were over 100 elements discovered

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lindas58
lindas58 lindas58
  • 01-09-2020

Explanation:

The discovery of the new elements, and the new data on neutron capture, was kept secret on the orders of the U.S. Military until 1955 due to Cold War tensions. Later the Berkeley team was able to prepare elements 99 and 100 in the lab by neutron bombardment of Pu-239 in a cyclotron.

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