Ar 40 is the most common isotope, accounting for 99.6% of the total (by weight).
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.
The most common isotope of selenium is selenium-80, which makes up about 50% of naturally occurring selenium.
The mass number of the most common titanium isotope is 48.
The most common plutonium isotope is plutonium 239.
The most common isotope of silicon is the isotope 28Si: 92,23 %.
Vanadium-51 is the most common isotope.
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 natural isotope is 238U: 99,2742 %.
The most common plutonium isotope is plutonium 239.
The most common isotope of selenium is selenium-80, which makes up about 50% of naturally occurring selenium.
The mass number of the most common titanium isotope is 48.
BORON 511 atomic#=5, atomic mass = 11 (for most common isotope)
The most common plutonium isotope is plutonium 239.
The most common isotope is einsteinium-253. So atomic mass is 253 for the most common isotope
Phosphorus-31 is the most common isotope. (Wikipedia)
Sn-120 is the most common (33%).