What is the Atomic Mass of Sulfur?
Atomic Mass of Sulfur is .
A) 32
B) 30
C) 31
D) 33
Answer: The atomic mass of Sulfur is 32. Therefore, the correct option is A.
Explanation:
The Atomic Mass of any substance is the sum of the number of protons and the number of neutrons in the nucleus of that atom.
For Sulfur,
- Number of Protons = 16
- Number of Neutrons = 16
Thus,
Atomic Mass of Sulfur = Number of Protons + Number of Neutrons
= 16 + 16 = 32In absolute terms, the average atomic mass of Sulfur is 32.065 amu. It is calculated taking into account all the isotopes of Sulfur.
The stable isotopes of Sulfur are,
- 32S
- 33S
- 34S
- 36S
Out of all these isotopes, about 95% of the sulphur is in 32S.
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