Practicing Success
Mark the correct statement |
Nuclei of different elements can have the same number of neutrons Every element has only two stable isotopes Only one isotope of each element is stable All isotopes of every element are radioactive |
Nuclei of different elements can have the same number of neutrons |
Nuclei of different elements having the same mass number are called isotones e.g., 4Be9 and 5B10 |