Chemistry · Explorer

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Valency and formulaeRunning
Bonding bench. Oxide ions at 9 ions. Negative charge 18 units, Positive charge 12 units. Currently negative charge is over by 6 units.TUNING+12POSITIVE2−2−2−2−2−2−2−2−2−
t = 0.0s

Negative charge

18units

Positive charge

12units

Negative charge is over by 6 units

9 ions

Bonding bench. Oxide ions at 9 ions. Negative charge 18 units, Positive charge 12 units. Currently negative charge is over by 6 units.

What has to balancen1v1=n2v2n_1 v_1 = n_2 v_2

What is happening

You are called to a fertiliser plant checking a batch formula before mixing.

The compound on the batch sheet is left carrying a charge. Four aluminium ions each carry a charge of 3, and the oxide ions each carry 2.