Answer:-
To determine the number of atoms in 2 ???? ???? 2 ???? 3 2Al 2 ? O 3 ? , break it down as follows: ???? ???? 2 ???? 3 Al 2 ? O 3 ? means each unit has 2 aluminum (Al) atoms and 3 oxygen (O) atoms. Multiply by 2 since there are 2 units of ???? ???? 2 ???? 3 Al 2 ? O 3 ? . So: Aluminum: 2 × 2 = 4 2×2=4 atoms. Oxygen: 3 × 2 = 6 3×2=6 atoms. In total, 2 ???? ???? 2 ???? 3 2Al 2 ? O 3 ? contains 4 aluminum atoms and 6 oxygen atoms.
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