noun
protactinium
Protactinium (noun) means a chemical element (symbol Pa) with atomic number 91. A dense, silvery-gray actinide metal.
noun
1
A chemical element (symbol Pa) with atomic number 91. A dense, silvery-gray actinide metal.
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What is the meaning of protactinium?
"protactinium" (noun) means a chemical element (symbol Pa) with atomic number 91. A dense, silvery-gray actinide metal.
What is another word for protactinium?
Other words for "protactinium" include protoactinium, Pa.
