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Potassium has two isotopes as shown below;

Potassium has two isotopes as shown below;
isotope and a radioactive
(a) State how the two isotopes differ.
(b) The half-life of is 1.3 x 10⁹ years. Determine how long it would take for 4g of the isotope to decay to 1g.
c)undergoes beta decay to form an isotope of calcium. Write the equation for this decay.

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sharon kalunda answered the question on March 28, 2019 at 13:46

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