Find the element that could be confused with a flower in the solution to this sudoku-inspired puzzle

Solve this wordoku in the same way as a sudoku with letters instead of numbers (each of the nine letters in each row, column and nine-square cell). Once solved, one of the overall diagonals can be rearranged to give the name of a metalloid element.

This week’s letters are: A E G I M N R S U

 

 

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