Question

After 3 half-lives, what percentage of the original parent isotopes would still be present?.

Answer 1

After 3 half-lives, only 12.5% of the unique figure atoms remain. As extra half-lives pass, the range of figure atoms final strategies zero.

The required details for atoms in given paragraph

An atom is a particle of count number that uniquely defines a chemical element. An atom includes a primary nucleus this is surrounded with the aid of using one or extra negatively charged electrons. The nucleus is undoubtedly charged and incorporates one or extra exceedingly heavy debris referred to as protons and neutrons. An atom is the smallest unit of ordinary count number that bureaucracy a chemical element. Every solid, liquid, gas, and plasma consists of impartial or ionized atoms. Atoms are extraordinarily small, generally round 100 picometers across.

They are so small that as it should be predicting their conduct using classical physics, as though they were tennis balls for example, isn't always feasible due to quantum effects.

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