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The Atomic Mass of astatine is 209.9871 atomic mass units (amu). The atomic mass is given for the longest lived isotope of astatine, which is astatine-210, with a half life of 8.3 hours.
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What is the atomic mass-?
The atomic mass is the mass of a molecule, atomic particle or sub-atomic particle.
What is the atomic mass of colbat?
Cobalt is an atomic mass of 58.93 atomic mass units
The equation of atomic mass?
== The equation of atomic mass is protons+nuetrons== atomic mass. ===
Is atomic mass unit a SI unit of an atomic mass?
The atomic mass unit is not a SI unit. An atomic mass unit is equal to 1/12 from the atomic mass of the isotope 12C.
What is the atomic no and atomic mass of graphite?
Atomic number 6, atomic mass 12.
How many neutrons and does astatine have?
Each isotope has a different number of neutrons. Number of neutrons = Atomic mass of the astatine isotope - 85
What is the atomic weight of astatine?
Astatine (At) has an atomic weight of 209.9871 g/mol
What is the atomic number of astatine?
The atomic number of astatine (At) is 85.The atomic weight of At is 210 grams per mole.See the Web Links to the left of this answer for a periodic table with more information about this element!
Astatine has 85 protons what is the atomic number?
The atomic number of an element is equal to the number of protons in its nucleus. So for astatine, which has 85 protons, the atomic number is also 85.
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.
Which halogon has the greatest atomic mass?
Radon, unless you count the synthetic Ununoctium. But because it is radioactive, highly unstable, and synthetic, I would discount it for now. It does however have the largest atomic mass for any known atomic substance. So, the answer is Radon.
What's another word for astatine atomic number 85?
Astatine atomic number 85 is also known as "astatine" - it is a highly radioactive element in the halogen group found on the periodic table.
What is the atomic radius of astatine?
1.43 Ã…
What is the atomic number of astaine?
Astatine, chemical symbol At, has an atomic number of 85.
What has the lowest atomic number of any metal?
Lithium has the lowest atomic number of any metal, with an atomic number of 3.
Which element has the smallest atomic radius fluorine chlorine bromine iodine astatine?
Fluorine has the smallest atomic radius among fluorine, chlorine, bromine, iodine, and astatine.
What is the chemical element of atomic number 85?
The chemical element with atomic number 85 is astatine. It is a rare and highly radioactive element that occurs naturally in trace amounts. Astatine is part of the halogen group on the periodic table.
