1Scientists use isotopes to study the properties of elements and their behavior in different chemical reactions.
2Is the isotope of carbon used in dating ancient artifacts radioactive?
3The isotope of uranium used in nuclear reactors is highly unstable and requires careful handling.
4If you were to mix two isotopes of the same element, would their chemical properties change?
5There are several isotopes of oxygen, but only one is commonly found in the Earth's atmosphere.