+ 5
<sup> for upper and <sub> for lower like aluminium trioxide Al<sub>2</sub>O<sub>3</sub> oxygen O<sub>2</sub> now x power 2 will be x<sup>2</sup>
26th Nov 2016, 11:19 AM
Sandeep Chatterjee
+ 2
Al<sub>2</sub>O<sub>3</sub>
22nd Nov 2016, 3:29 PM
Andreas K
Andreas K - avatar
+ 2
<sup>
22nd Nov 2016, 4:15 PM
Andreas K
Andreas K - avatar

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