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Q: What is the atomic mass of 81?
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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.


How do you calculate the atomic mass of thalium?

Thalium is a meta element. Atomic mass of it is 204. Atomic number of it is 81.


The atomic mass of N is 14 you and that of Ca is 40 you The proportion of N by mass in the compound Ca3N2 is?

81%


What is the atomic notation for an isotope that has an atomic number of 35 and a mass of 81?

The atomic number 35 corresponds to bromine, and the symbol would be 81Br.


What element has an atomic mass of 81?

The chemical element halogen bromine (Br) has an atomic weight (not mass) of 79,904 and 35 protons.


What are the atomic number and mass number of bromine?

The mass number is the som of protons and neutrons in the atomic nucleus of a chemical element. Each isotope has a different mass number. For natural isotopes of bromine the mass numbers are 79 and 81.


How many atoms are in thallium?

The atomic number of thallium (Tl) is 81.The atomic weight of Tl is 204.38 grams per mole.See the Web Links to the left of this answer for a periodic table with more information about this element!


What is bigger the atomic mass or atomic number?

Atomic no.=no. of protons Atomic mass=no. of protons+no. of neutrons Hence, atomic mass is greater


What is the atomic mass-?

The atomic mass is the mass of a molecule, atomic particle or sub-atomic particle.


What is the difference between atomic mass and atomic mass unit?

The atomic mass unit is used to express the measure of the atomic mass.


What is bigger atomic mass or atomic number?

Atomic no.=no. of protons Atomic Mass=no. of protons+no. of neutrons Hence, atomic mass is greater


The equation of atomic mass?

== The equation of atomic mass is protons+nuetrons== atomic mass. ===