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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!
What is the Atomic mass of astatine?
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.
Astatine has 85 protons what is the atomic number?
The atomic number is the number of protons, so the atomic number of astatine is 85.
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.
Which element has the largest radius in the halogen family?
As far as the Earth goes, fluorine is the most abundant halogen present in the Earth's crust. Chlorine, however, is the most abundant halogen in the universe.
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.
How many neutrons does Astatine 210?
Astatine-210 (At-210) has a mass number of 210. Since Astatine has an atomic number of 85, which indicates the number of protons, you can calculate the number of neutrons by subtracting the atomic number from the mass number: 210 - 85 = 125. Therefore, Astatine-210 has 125 neutrons.
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.
What is the viscosity of Astatine?
According to Webelements, the estimated density of astatine is 6400 kg/m3.
What are the names and atomic numbers of the halogens?
Fluorine = 9 Chlorine = 17 Bromine = 35 Iodine = 53 Astatine = 85
