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The metal thallium occurs naturally as 30 percent thallium - 203 and 70 percent thallium - 205 calculate the atomic mass of thallium?
Wiki User
∙ 13y ago
(203 x 0.30) = 60.9
(205 x 0.70) = 143.5
60.9 + 143.5 = 204.4
The answer is 204.4 amu !
Wiki User
∙ 12y ago
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Whats the atomic mass of thallium 203 and thallium 205?
the overall atomic mass is 204.37, but for thallium 203 it is 203, and for thallium 205, it is 205.
What is the chemical name for atomic number 81?
Thallium
What is the mass of thallium?
I assume you mean the atomic mass. Its atomic mass is 204.3833g/mol
Calculate the average atomic mass of an unknown element that has two naturally-occurring isotopes The first isotope occurs 75.47 percent of the time and has a mass of 248.7 amu The second isotope occu?
the atomic mass is -(248.90)
How many protons in thalium?
81 protons, as the atomic number of thallium is 81
Whats the atomic mass of thallium 203 and thallium 205?
the overall atomic mass is 204.37, but for thallium 203 it is 203, and for thallium 205, it is 205.
What is the is the atomic mass of thallium?
Thallium is a meta element. Atomic mass of it is 204. Atomic number of it is 81.
What is the composition of thallium?
Thallium is an element (Atomic Number 81), so thallium is made out of thallium.
What is the chemistry symbol for Thallium?
Thallium is a chemical element with symbol Tl and atomic number 81
What is the chemical symbol for thallium?
Thallium is a chemical element with symbol Tl and atomic number 81
What element has the atomic mass of 204.3833?
Thallium.
What is the atomic number of thallim?
Thallium is a meta element. Atomic number of it is 81.
What is the chemical name for atomic number 81?
Thallium
What is the mass of thallium?
I assume you mean the atomic mass. Its atomic mass is 204.3833g/mol
What element is Tl?
Thallium. Atomic number (Z) = 81
How is the atomic mass of an element calculate?
By taking the wieghted averages of naturally occurring isotopes of that element. :)
Calculate the average atomic mass of an unknown element that has two naturally-occurring isotopes The first isotope occurs 75.47 percent of the time and has a mass of 248.7 amu The second isotope occu?
the atomic mass is -(248.90)
