In its elemental form, Iodine is a diatomic molecule in the gas phase. In the periodic table, Iodine is just right beside Xenon which is a stable element because it has no extra electrons. Thus, to conform to stability, Iodine must have to gain one more electron. That's why in its ionic form, its formula is I⁻. The reaction would be
I₂ → 2 I⁻
To achieve the Law of Definite Proportions from Dalton's Atomic Theory, we must balance the reaction. So in every neutral Iodine atom, 2 Iodide ions are formed.
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forces acting on the rock combine, and the rock does not move.
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Answer:
<h2>When heat are heated,the average kinetic energy of the molecules increases. This means that more molecules are moving faster and hitting each other with more energy.If more molecules hit each other with enough energy to react, then the rate of reaction increases </h2>