A cation is a positively charged ion with fewer electrons than protons while an anion is a negatively charged ion with more electrons than protons.

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Wikipedia contributors. (2024, April 7). Ion. In Wikipedia, The Free Encyclopedia. Retrieved April 23, 2024, from https://en.wikipedia.org/w/index.php?title=Ion&oldid=1217735079

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It is also very worthy of remark, that, though there are many animals which manifest more industry than we in certain of their actions, the same animals are yet observed to show none at all in many others: so that the circumstance that they do better than we does not prove that they are endowed with mind, for it would thence follow that they possessed greater Reason than any of us, and could surpass us in all things; on the contrary, it rather proves that they are destitute of Reason, and that it is Nature which acts in them according to the disposition of their organs: thus it is seen, that a clock composed only of wheels and weights can number the hours and measure time more exactly than we with all our skill.

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Ion (Wikipedia) An ion (/ˈaɪ.ɒn, -ən/) is an atom or molecule with a net electrical charge. The charge of an electron is considered to be negative by convention and this charge is equal and opposite to the charge of a proton, which is considered to be positive by convention. The net charge of an ion is not zero because its total number of electrons is unequal to its total number of protons.

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