Answer :
A chlorine atom has an atomic mass of 35.5.
What is atom?
The building block of matter and the essential component of all elements is the atom. The word "atom," which means "indivisible," is derived from the Greek.
How do you determine it?
The weighted average mass of all an element's isotopes, taking into account their individual natural abundances, is what is referred to as the element's atomic mass. There are two stable isotopes of the element chlorine, 35Cl and 37Cl, which are both used to calculate the atomic mass of chlorine.
Of the two isotopes, 35Cl is more prevalent and makes up about 75% of naturally occurring chlorine, with 37Cl making up the remaining 25%. 35Cl has an atomic mass of 34.96885 u, while 37Cl has an atomic mass of 36.96590 u. Taking into consideration the natural abundances of each isotope, the weighted average atomic mass of chlorine is 35.5 u.
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