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The chemical element halogen bromine (Br) has an atomic weight (not mass) of 79,904 and 35 protons.
Wiki User
∙ 12y ago
Wiki User
∙ 11y agoThe radioactive isotope 81Nb has an Atomic Mass of 80,94903(161), near your proposed value.
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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.
What is the atomic mass for magnesiam?
Magnesium is a meta element. Atomic mass of it is 24.
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 the difference between the atomic number and the atomic mass?
Atomic mass is the mass of 1 mole of the element. Atomic number is the number of protons the element has
What is the atomic mass of a nickel?
Nickel is a meta element. Atomic mass of it is 59.
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.
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.
What is the atomic mass for magnesiam?
Magnesium is a meta element. Atomic mass of it is 24.
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!
Which element has the atomic mass of 126.9045?
The element is Iodine (I). It has an atomic mass of about 126.9.
What is the difference between the atomic number and the atomic mass?
Atomic mass is the mass of 1 mole of the element. Atomic number is the number of protons the element has
Which is the average of the mass numbers of an element's isotopes?
the Atomic Mass
What is the atomic mass of a nickel?
Nickel is a meta element. Atomic mass of it is 59.
What is the atomic mass of Antimony?
Antimony is a meta element. Atomic mass of it is 122.
What atomic mass does a calcium have?
Iron is a meta element. Atomic mass of it is 54. Atomic number of it is 26.
What is the atomic mass of the element iron?
Iron is a meta element. Atomic mass of it is 56.
