Question

what is plutonium? and holmium?​

Answer 1

Answer:

• Plutonium is a radioactive chemical element with the symbol Pu and atomic number 94.
• Holmium is a chemical element with the symbol Ho and atomic number 67. It is a rare-earth element and the eleventh member of the lanthanide series.

Answer 2

Answer:

1. A plutonium is a dangerous (radioactive) substance used especially as a fuel in nuclear power stations
2. A holmium the chemical element of atomic number 67, a soft silvery-white metal of the lanthanide series.

Explanation:

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