copper has 2 stable isotopes
It has 10
Dubnium is an artificial chemical element and hasn't stable isotopes.
All the isotopes of californium are radioactive, artificial and unstable.
That depends on the isotope, as Argon has three different stable isotopes and many different radioactive isotopes.
From 0 to 3 isotopes per element are stable.
Tin has various isotopes, with 10 stable isotopes. The most abundant isotopes are tin-120 and tin-118, both with 70 neutrons.
No, the parent element in a nuclear reaction is not always radioactive. While many parent isotopes are indeed radioactive and decay into stable or unstable daughter isotopes, there are also stable isotopes that can undergo nuclear reactions without being radioactive themselves. For example, stable isotopes can be involved in nuclear reactions such as neutron capture or fusion, but they do not decay over time like radioactive isotopes.
Technetium has no stable isotopes but at least 30 artificial ones have been identified.
Astatine, a radioactive element found in the halogen group, has at least 20 known isotopes. However, only one of these isotopes, Astatine-210, is considered stable. The other isotopes are unstable and undergo radioactive decay.
No, there are many stable isotopes.
1. Sodium has 20 isotopes and 2 isomers. 2. Only the isotope 23Na is stable. 3. The stable isotope 23Na and the radioactive isotopes 22Na and 24Na (these isotopes exist in traces) are natural isotopes.