What is the Atomic Mass of Chlorine?
Atomic Mass of Chlorine is .
A) 35
B) 35.5
C) 36
D) 34
Answer:
Option B) 35.5 is correct.
Explanation:
Chlorine has two stable isotopes Cl-35 and Cl-37 and the general atomic mass of Chlorine is the average of both isotopes in the ratio of their availability in nature. Now,
- Cl-35 isotope is 75% of the chlorine gas in the atmosphere.
- Cl-37 isotope is 25% of the chlorine gas in the atmosphere.
Thus,
Relative Atomic Mass of Chlorine = 35×75/100 + 37×25/100 = 35.45 amu OR 35.45 u.
Atomic Mass of Chlorine is .
A) 35
B) 35.5
C) 36
D) 34
Answer:
Option B) 35.5 is correct.
Explanation:
Chlorine has two stable isotopes Cl-35 and Cl-37 and the general atomic mass of Chlorine is the average of both isotopes in the ratio of their availability in nature. Now,
- Cl-35 isotope is 75% of the chlorine gas in the atmosphere.
- Cl-37 isotope is 25% of the chlorine gas in the atmosphere.
Thus,
Relative Atomic Mass of Chlorine = 35×75/100 + 37×25/100 = 35.45 amu OR 35.45 u.
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