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Q: Deternain the atomic mass of an element that has 2 isotopes with mass numbers of 6 mass 6.02 and 7 mass 7.02 the relative abundences are 7.42 and 92.6 respectively?
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How do you determine the atomic mass of chlorine?

Well, the CI atomic number is 17. The atomic mass is 35.4527 amu.There are two stable isotopes of chlorine with relative mass numbers 35 and 37. As the relative abundance of these isotopes are 75% and 25% respectively, the molar mass of chlorine is considered as 35.5 g/mol.


Why is the relative atomic mass of an atom in a fraction?

It's an average number allowing for the relative abundances of different isotopes.


How is the atomic mass for chlorine related to isotopes for that atom?

The average atomic mass is weighted by the most common isotopes and their relative abundance.


How do scientists use isotopes to determine the of an object?

Scientists use the relative amount of stable and unstable isotopes in an object to determine its age.


What is hydrogens atomic mass?

1.0It's 1.00794 It's 1.00794It's 1.00794 It's 1.007941.001.The atomic mass of hydrogen is 1.66x10-27 kg. It's relative atomic mass is 1. The RAM is 2 and 3 respectively in its isotopes, deuterium and tritium.The atomic mass of hydrogen is 1.66x10-27 kg. It's relative atomic mass is 1. The RAM is 2 and 3 respectively in its isotopes, deuterium and tritium.1.01


What is the average mass of the mixture of an element's isotopes?

It is called the Relative Atomic Mass.


Europium has a mass of 150.9196amu and a mass of m152.9209amu the average atomic mass of Eu is 151.96amu calculate the relative abundance of the two europium isotopes?

Europium 150.9196 has relative abundance of 51.99%, while Europium 152.9209 has a relative abundance of 48.04% (Assuming that these are the only 2 isotopes of Europium


Is a way to determine the age of a fossil by comparing the number of stable isotopes to the number of unstable isotopes using a known half life?

relative dating


Is a way to determine the age of a fossil by comparing the number of stable isotopes to the number of unstable isotopes using a known half-life.?

relative dating


Do copper isotopes have a whole atomic mass?

The isotopes of copper have the relative atomic masses of 63 and 65 and these are approximations. The exact values contain decimal figures.


Why atomic mass are referred to as average atomic mass?

It allows for the relative abundances of different isotopes.


Why is the atomic mass of an atom the average atomic mass?

It allows for the relative abundances of different isotopes.