chemistry

What kind of atoms typically have unstable nuclei?

atoms with a neutron count greater than 90
atoms with a neutron count less than 90
atoms with a proton count less than 90
atoms with a proton count greater than 90

is it d?

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  1. probably d is the best choice. Atoms are unstable because the binding force is less than the repulsive force of protons.

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    bobpursley
  2. thank you

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