Which is the element with atomic no. 89? Write about it.
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Actinium
symbol Ac
which was discovered in 1899.
It was the first non-primordial radioactive element to be isolated
symbol Ac
which was discovered in 1899.
It was the first non-primordial radioactive element to be isolated
Answered by
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actinium (Ac)
it is a radioactive element.
it is a radioactive element.
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