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How many proton are in chloride ion?

Updated: 12/14/2023
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12y ago

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Chloride ion like the chlorine atom has seventeen(17) protons.

In an atom the number of protons and electrons is equal.

However, in an ion the number of protons remains the same, BUT THE NUMBER OF ELECTRONS is different.

So for chlorine atom there are 17 protons and 17 electrons.

However, the chloride ion there are 17 protons and 18 electrons.

This difference is indicated by 17(+) & 18(-) or

(+)17 - 18 = -1 . So the chloride ion symbol is written as 'Cl^(-)'. The 'one' is never shown.

NB A negative ion is given the name ' ANION;,

NNB Do not confuse with 'Neutrons'. Different numbers of neutrons are referred to as ISOTOPES. Chlorine exhibits two principal isotopes. They are Chlorine-35 and Chlorine-37. Overall the proportions of these two isotpes is such that chlorine is given the Atomic Mass of 35.5. However, the number of protons remains the same at '17', and the number of electrons can still vary between the two isotopic atoms and ions.

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lenpollock

Lvl 15
4mo ago
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12y ago

Chloride ion has 17 protons, the same as chlorine (element).

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