Q3. Please show all work a.) If you test a radioactive substance with a decay constant of 0.00440 s −1 what is its half-

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Q3. Please show all work a.) If you test a radioactive substance with a decay constant of 0.00440 s −1 what is its half-

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Q3.
Please show all work
a.) If you test a radioactive substance with a decay
constant of 0.00440 s −1 what is its half-life?
b.) A neutral atom is designated as 40 18 X. Determine the
number of protons, the number of neutrons, and the number of
electrons the atom will have.
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