Examlex
What are the values that the variable num contains through the iterations of the following for loop?
For num in range(2,9,2) :
Unstable Isotopes
Atoms with a nucleus that has an excess of energy or mass, making them decay into more stable forms over time.
Stable Isotopes
Variants of elements that have the same number of protons but different numbers of neutrons, and do not undergo radioactive decay.
Radioactive Isotopes
Radioactive isotopes, or radioisotopes, are variants of chemical elements that emit radiation due to an unstable nucleus and undergo radioactive decay.
Atomic Number
The number of protons in the nucleus of an atom, unique to each element.
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