একটি অত্যন্ত অস্থির তেজস্ক্রিয় উপাদান (হ্যালোজেন সিরিজের গুরুতম

astatine's Usage Examples:

of astatine would be 147 pm.

With the seven outermost electrons removed, tennessine is finally smaller; 57 pm for tennessine and 61 pm for astatine.

as astatine hydride, astatane, astidohydrogen or hydroastatic acid, is a chemical compound with the chemical formula HAt, consisting of an astatine atom.

related elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).

rarest naturally occurring element (after astatine).

The isotopes of francium decay quickly into astatine, radium, and radon.

more different halogen atoms (fluorine, chlorine, bromine, iodine, or astatine) and no atoms of elements from any other group.

Astatine bromide is produced by the reaction of astatine with an aqueous.

seaborgium-261m 92 astatine-215 100 astatine-216m 100 protactinium-218 113 lead-206m1 125 thorium-216m1 137 curium-248m 146 neptunium-219 150 astatine-212m2 152.

1019 years, polonium, astatine, and radon are some of the shortest-lived and rarest elements known; less than a gram of astatine is estimated to exist.

less frequently so classified: carbon, aluminium, selenium, polonium, and astatine.

where X is one of the halogens: fluorine, chlorine, bromine, iodine, or astatine.

physicist and Nobel laureate, who discovered the elements technetium and astatine, and the antiproton, a subatomic antiparticle, for which he was awarded.

the elements that have been produced in bulk (the first 99, except for astatine and francium).

She discovered that the chemical element 85 astatine is a product of the natural decay processes.

The title refers to the number of atoms of astatine-215 in the top 10 miles of the Earth's crust of the North and South American.

(Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te), and astatine (At).

astatine's Meaning':

a highly unstable radioactive element (the heaviest of the halogen series

Synonyms:

halogen; chemical element; At; atomic number 85; element;

Antonyms:

software; curve;