Half-life is defined as the time required for half of the atoms of a radioactive substance to break down into other elements. During this process, the remaining undecayed substance decreases by half, and this concept is crucial in fields such as nuclear physics, radiometric dating, and medical applications.
Nhat is half-life? (3 points)
The time required for half of the atoms of a radioactive substance to break down into other elements.
Two or more forms of the same element that
• contain equal numbers of protons but different numbers of neutrons in their nuclei.
The geologic age of a fossil, or a geologic
• event or structure expressed in units of time, usually years. Also known as actual age.
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