16 Questions
What is an isotope?
An atom with the same number of protons but different number of neutrons
What is the mass number of an atom?
The total number of protons and neutrons in the nucleus
What is the atomic number of an element?
The number of protons in the nucleus
How do isotopes of a given element differ?
In their atomic masses and chemical properties
Which type of isotopes are stable and do not undergo radioactive decay?
Stable isotopes
What is true about all elements?
They have isotopes
Which type of isotopes do not display any sign of decay?
Stable isotopes
What is the unique name for hydrogen with one neutron?
Deuterium
Which type of isotopes have a stable proton-neutron combination?
Stable isotopes
What is the half-life of tritium, a radioisotope of hydrogen?
12 years
In which medical imaging technique can radioisotopes be captured?
Single photon emission computed tomography (SPECT)
What is the common use of technetium-99m in nuclear medicine?
Diagnosing thyroid activity
What type of isotopes are typically used as tracers in nuclear medicine?
Radioactive isotopes
What can excessive exposure to radioactive isotopes cause in humans?
Cancer and birth defects
What is the unique name for hydrogen with two neutrons?
Tritium
What does the term 'half-life' refer to in the context of radioisotopes?
The time it takes for an isotope to decay halfway
Test your knowledge about isotopes, which are atoms with the same atomic number but different nucleon numbers. Understand how isotopes have similar chemical properties but different atomic masses and physical properties.
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