Answer :

Which statements?

In general though, the potassium atom has 19 protons, and has 1 valence electron in the 4s orbital. The nucleus of the atom contains 19 protons and (21 neutrons on average.) If we were too apply the laws regarding the band of stability then that ratio is very stable and it is very unlikely (less than 10^-21%) that the nucleus would ever go through any form of decay.

The potassium nuclei have been unstable and results in the spontaneous decay without any external force. Thus, option 3 is correct.

Potassium has been the metal of group 1 of the periodic table. It has been consisted of 19 protons and 20 neutrons in the nucleus.

Decay of potassium nuclei

The nuclei decay has been achieved when there has been loss of the protons in the nuclei, resulting in the radioactive isotopes.

The potassium nuclei have been unstable and results in the spontaneous decay without any external force. Thus, option 3 is correct.

Learn more about potassium nuclei, here:

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