Chemistry · 2020
JEE Main · 3 September 2020, Shift 1 · Q32
The atomic number of the element unnilennium is:
The atomic number of the element unnilennium is :
Official answer
(2)
$\displaystyle 109$
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JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.