You mean the mass of the isotope? Then Bain Bridge mass spectrograph is the device which helps to separate the isotopes and determine the mass of different isotopes accurately.
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.
Ar 40 is the most common isotope, accounting for 99.6% of the total (by weight).
The mass number of the most common titanium isotope is 48.
The most common instrument (tool) is a tape measure.
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 is carbon 14.
The most common isotope of selenium is selenium-80, which makes up about 50% of naturally occurring selenium.
A spectrometer is used to measure properties of light. The most common usage is as an instrument attached to a telescope for astronomers to measure the chemical elements in a star.
Ar 40 is the most common isotope, accounting for 99.6% of the total (by weight).
The mass number of the most common titanium isotope is 48.
BORON 511 atomic#=5, atomic mass = 11 (for most common isotope)