University of the Philippines Los Baños
Nuclei with the same mass number but different atomic numbers are called isobars. Consider Ca-40, Ca-41, K-41, and Ar-41.
a.) Which of these are isobars? Which are isotpes?
b.) What do Ca-40 and Ca-41 have in common?
c.) Atoms of Ca-41, K-41, and Ar-41 have the same number of neutrons. Is the statement correct? If not, correct the statement.