Be sure to answer all parts. The radioactive decay of thallium-206 to lead-206 has a half-life of 4.20 min. Starting with 5.00 × 1022 atoms of thallium-206, calculate the number of such atoms left after 42.0 min. Enter your answer in scientific notation. x 10 atoms

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A: The coordination number of the  complex is 6. Hence, it is an octahedral complex.

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Q: + 12-09-19

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Q: NH₂

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Q: mechanism help NH2 риб EtOH A

A: This is an example of imine formation reaction

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.