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23 January, 12:41

How many protons, electrons, and neutrons does 40Ar have?

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  1. 23 January, 12:52
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    Argon in the atmosphere has three isotopes, all with 18 protons - but one type (called 36 Ar) has 18 neutrons and a relative mass of approximately 36; a second type (called 38 Ar) has 20 neutrons and a relative mass of approximately 38, and the final and most common type (called 40 Ar) one has 22 neutrons
  2. 23 January, 13:04
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    18 electrons, 18 protons, and 22 neutrons
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