What is an isotope?
Isotopes, Radioactive Decay, & Half-Life

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Chemistry
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10th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons, resulting in different mass numbers.
2.
FLASHCARD QUESTION
Front
What is radioactive decay?
Back
Radioactive decay is the process by which an unstable atomic nucleus loses energy by emitting radiation, leading to the transformation of the element into a different element or isotope.
3.
FLASHCARD QUESTION
Front
What is half-life?
Back
Half-life is the time required for half of the radioactive atoms in a sample to decay into a more stable form.
4.
FLASHCARD QUESTION
Front
What happens to the atomic number during alpha decay?
Back
During alpha decay, the atomic number decreases by 2.
5.
FLASHCARD QUESTION
Front
What happens to the mass number during beta decay?
Back
During beta decay, the mass number remains the same, but the atomic number increases by 1.
6.
FLASHCARD QUESTION
Front
What type of radiation has no mass?
Back
Gamma radiation has no mass.
7.
FLASHCARD QUESTION
Front
How do isotopes of the same element differ?
Back
Isotopes of the same element differ in their mass numbers due to the different number of neutrons.
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