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soluble substances dissolves in solvents
Answer:
7. Why is the d-block one energy level behind the s-block? Also, why would the f-block be so far behind?
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Explanation:
The answer is no.(4) They frequently have long half-lives and remain radioactive for extended periods of time
For example, half life of Uranium (U) varies from 25 thousand years to 4.5 billion years
