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The mass number of the only isotope of bismuth that occurs naturally is 209.

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11y ago
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13y ago

Beryllium's mass no. is 9
Beryllium has 4 protons, 4 electrons, and neutrons ---> Atomic number = 4, mass number = 4+5 = 9.

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13y ago

The relative Atomic Mass of bismuth is 209.0

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9y ago

Bismuth is a metal element. Atomic mass of it is 64.

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13y ago

the answer is 137.33

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13y ago

The atomic mass for Bismuth is 208.98.

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14y ago

83.

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Q: What is the mass number for bismuth?
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Related questions

What is the atomic mass of bismuth?

208.980


How many protons are in an atom of bismuth?

== The element bismuth has 83 protons. That's its atomic number. Remember that it's the number of protons in an element that determines the atomic number of that element. All atoms of bismuth have 83 protons. As to neutrons, the number of neutrons in bismuth atoms can vary. These other "flavors" of bismuth are its isotopes, and the numbers of neutrons in bismuth range from 101 to 135. It is bismuth-209 with 126 neutrons that represents all the natural bismuth we find. The rest of the isotopes are intentionally synthesized or created "incidentally" in nuclear reactions - like those in nuclear reactors, to cite one example. Links can be found below for more information. === ===


What is the oxidation number of bismuth?

Bismuth is in the p block. It shows +3 as the oxidation number.


What is the number of energy levels in bismuth?

bismuth has six energy levels


Is bismuth a mixture a compound or element?

Bismuth is an element with the atomic number 83 and the chemical symbol Bi.


How could you tell the difference between cobalt 60 a sample of radon 222 and a sample of bismuth 83?

Cobalt-60 has two gamma photopeaks at 1.17 MeV and 1.33 MeV. Radon-222 is an alpha emitter. Bismuth-83 is not a valid isotope. 83 is the atomic number of bismuth, but you need to know the atomic mass number. The nuclide with the longest half-life is bismuth-208, and it decays by beta+ decay.


How is bismuth formed?

It came from the German words 'Wisuth Bisemutum', meaning 'white mass'.


Is bismuth a element or a mixture?

Bismuth is an element with the atomic number 83 and the chemical symbol Bi.


What is bismuth?

Bismuth is an element of the periodic table, with the atomic number 83 and the chemical symbol Bi.


If astatine undergoes beta decay what element will result?

Atomic number becomes two units less and atomic mass four units less. Bismuth is the answer.


What is the name and atomic symbol of an isotope with the mass number of 214 and 131 neutrons?

The proton number of this element is 214 - 131 = 83 protons Look this number up in the periodic table. You will see that the element is Bismuth.


What metal has atomic number 83?

Bismuth.