This implies that an atom can have several isotopes and still remain the same chemical element.
Feeling Unstable Some combinations are stronger than others.
The rate at which the short-lived 7 Be is transferred from the air to the ground is controlled in part by the weather.
No two elements can have the same atomic number.
Let us take a look at an example.
The isotope Carbon-14 is essential in the research of archaeological and biological remains by radiocarbon dating.