The isotope Cl-35 (mass 35.0 amu) makes up 75.8 of the sample, and the isotope Cl-37 (mass 37.0 amu) makes up 24.3 of the sample. These two are the most stable isotopes of chlorine atoms. Study with Quizlet and memorize flashcards containing terms like A sample of chlorine has two naturally occurring isotopes. Chloride of Sodium 58.47 Chlorine 35.5 Sodium INTRODUCTION. The abundance of different isotopes of chlorine are in such a way that their average mass comes to be a fraction.this why its mass is in fraction 35.5. Let take percentage abundance of $^$, therefore we take the average of all chlorine atoms. 35.5 parts of chlorine and 1 of hydrogen lastly, if we compare the composition of the.
To find the average atomic mass of an atom, we take into account all of the isotopes that exist and the percentage of each type. We know that isotopes are defined as the species that are one of two or more species of atoms of an element which have the same atomic number and position in the periodic table but different atomic masses. Correct Answer - Option 2 : 35.5 u Explanation: The average atomic mass is the weighted average of the atomic masses of the naturally occurring isotopes of an element.
Let suppose any atom has two isotopes then the formula of average relative atomic mass of atom is Average relative atomic mass of a atom= /$100$. Study with Quizlet and memorize flashcards containing terms like A sample of chlorine has two naturally occurring isotopes. Hint : We will solve this problem with the help of the formula of finding the average relative atomic mass of an atom when atomic masses of their isotopes are known.
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