Question

What can you infer about the likely occurrence of the other isotopes in each of the
above elements? Explain your reasoning.

Answer 1

Answer:

Most common has the same or closest mass because it is closer to the original’s mass.

Explanation:

I got it from the answer key

Answer 2

• An isotope in the simplest form occurs when more than one atom have exactly the same atomic number.

• Another way of putting it is that they are chemical compounds that share the same element but have non-identical masses.

• There are basically two types of isotopes which include:

1. Stable Isotopes are isotopes that do not emit radiation. Some examples include oxygen, carbon, hydrogen, etc
2. Radioactive/ Non Stable Isotopes are those isotopes which are radioactive or emit radiation. Some examples include uranium-238, bismuth, etc.

• Therefore,  isotopes can occur either naturally or as a result of radioactive decay.

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