The isotope 18O is only a minor natural isotope: 0,0201 %.
The most common isotope of carbon is carbon-12.The most common isotope of carbon is carbon-12.The most common isotope of carbon is carbon-12.The most common isotope of carbon is carbon-12.
The most common plutonium isotope is plutonium 239.
K-39 isotope has 20 neutrons
The most common plutonium isotope is plutonium 239.
Se-80 is the most common isotope.
The most common isotope of silicon is the isotope 28Si: 92,23 %.
The most common isotope of carbon is carbon-12.The most common isotope of carbon is carbon-12.The most common isotope of carbon is carbon-12.The most common isotope of carbon is carbon-12.
The most common plutonium isotope is plutonium 239.
Vanadium-51 is the most common isotope.
K-39 isotope has 20 neutrons
The most common natural isotope is 238U: 99,2742 %.
The most common plutonium isotope is plutonium 239.
Se-80 is the most common isotope.
Protium is the name of a common hydrogen isotope. This isotope has a single proton and does not have any neutrons.
Phosphorus-31 is the most common isotope. (Wikipedia)
The mass number of the most common titanium isotope is 48.
BORON 511 atomic#=5, atomic mass = 11 (for most common isotope)