What is the change in electrons for manganese in the following reaction?? 2 MnO 4 - ( aq ) + H 2 O 2 ( aq ) + 6 H + ( aq ) -> 2 Mn 2+ ( aq ) + 3 O 2 ( g ) + 4 H 2 O( l )

Gain 5 electrons

Explanation: Founder Education

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I know this is an old question - but the other answer here is NOT correct. If anyone comes across this and is doing this practice again, the CORRECT answer is:

Rock A - Basaltic, Intrusive.

Rock B - Granitic, Intrusive.

Rock C - Granitic, Extrusive.

Rock D - Basaltic, Extrusive.