State if the following changes involve
oxidation (O)
or reduction (R) or neither (N)

Fe2+ → Fe3+ O

I2 → I¯ R

F2 → F2O R

C2O42- →

H2O2 →
O2 O

Balance the following half equations…
Na+ e- → Na +
Fe2+ → Fe3+ +e –

I2 + 2e- →
2 I¯
The following table shows the successive ionisation energies for Carbon and Oxygen;undefined Element 1st 2nd 3rd 4th 5th 6th 7th 8th Carbon 1086.5 2352.6 4620.5 6222.7 37831 47277.0 – – Oxygen 1313.9 3388.3 5300.5 7469.2 10989.5 13326.5 71330 84078.0 undefinedUse this table to predict the electron configurations of these elements.undefined Carbon 1s2 2s2 2p2 Oxygen 1s2 2s2 2p4 Please can you check if my answers are correct and guide me, please? Thank you in advanceWhat will be the usual and the maximum oxidation state in compounds of:undefined Li Br Sr O B N Usual +1 7 +2 -2 +3 +5 Maximum +1 +9 +2 +8 +5 +7

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