It may be Bromine-79 (79Br) because it is one of the 2 stable isotopes. The other one is Bromine-81 (81Br).
Bromine 79 and Bromine 81
Bromide, Br-
F10 F10
Br 81
325klpm
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 plutonium isotope is plutonium 239.
Se-80 is the most common isotope.
K-39 isotope has 20 neutrons
79-Br is more common because its abudance is 50.69%. 81-Br's abudance is 49.31% making it less common. Abudance is the rate at which the isotope is found in nature. In this case out of every 100 Bromine atoms you found 51 would be 79-Br and 41 would be 81-Br.
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 isotope of silicon is the isotope 28Si: 92,23 %.
Vanadium-51 is the most common isotope.
The most common plutonium isotope is plutonium 239.
The most common plutonium isotope is plutonium 239.
The most common natural isotope is 238U: 99,2742 %.
Se-80 is the most common isotope.
K-39 isotope has 20 neutrons
Phosphorus-31 is the most common isotope. (Wikipedia)
The mass number of the most common titanium isotope is 48.
Ar 40 is the most common isotope, accounting for 99.6% of the total (by weight).