Answer:
Explanation:
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<span> iron (Fe), ruthenium (Ru), osmium (Os) and hassium (Hs). They are all transition metals.</span>
The reaction is actually endothermic because delta H is positive, indicating that it absorbing heat.
According to table N, the isotopes uranium-238 and uranium-235 have different half lives.
<h3>What are radioactive nuclides?</h3>
Radioactive nuclides are those nuclides that are able to undergo radioactive decay. They have specific modes of decay that is peculiar to each isotope.
Hence, according to table N, the isotopes uranium-238 and uranium-235 have different half lives.
Learn more about uranium-238:brainly.com/question/9099776
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