Which nuclide has a half-life that is less than one minute?
2 answers:
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Answer:
Explanation:
In this reaction, calcium is balanced in either side. No. of atoms of 'H' and 'O' are not balanced. To balance O atoms, multiply by 2. Now the reaction becomes:
Now, to balance H atoms, multiply H2 by 2.
Now, each element is balanced.
The original material has decayed 75%
<h3>Further explanation</h3>Given
two half-life
Required
The decayed sample
Solution
General formulas used in decay:
t = duration of decay
t 1/2 = half-life
N₀ = the number of initial radioactive atoms
Nt = the number of radioactive atoms left after decaying during T time
t = 2 x t 1/2
Input the value :
The amount of Nt = 25% No