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Physics, 30.11.2019 08:31 nnn79

The mass number of a neutral atom of potassium (z=19) is 40 how many electrons does it have?

which characteristic of the nuclear force explains why the helium nucleus is exceptionally stable?

The mass number of a neutral atom of potassium (z=19) is 40 how many electrons does it have? <

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The mass number of a neutral atom of potassium (z=19) is 40 how many electrons does it have?
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