0
1. its a radioactive chemical element
2. collects in the thyroid gland
3. heaviest of the discovered halogens
4. most stable isotope
used in chemotherapy
Wiki User
∙ 10y ago
Add your answer:
Earn +20 pts
What nonmetal is never found in its natural state?
If it is 'never found in nature' that means it's a large and radioactive atom so it will be in the lower parts of the periodic table. Non metals are to be found in the upper right hand side of the periodic table and become metallic roughly across a diagonal between boron and polonium. So the one you want can only be polonium, astatine or radon. Well polonium is really a metalloid rather than a true non-metal and it does occur in various radioactive rocks. When we check out radium we find that it's a nasty carcinogenic gas that occurs in nature when radium or uranium atoms decay; it's natural so we must be looking at astatine. Sure enough,Wikipedia tells us; '...a mass (of astatine) large enough to be seen (by the naked human eye) would be immediately vaporized by the heat generated by its own radioactivity'. Astatine it is! That do ya?
How many valence electrons does astatine have?
Astatine has 125 neutrons
How much does the element astatine cost?
Due to the fact that the amount of astatine found in a whole kilometre of the earth's crust contains less than 50 mg of astatine, no accurate price can be made due to the fact that a very small of amount of an extremely radioactive material will be hard to make.
What does francium astatine equal to?
francium plus (+) Astatine *
What at the common compounds formed by astatine?
what is a common compound of astatine
Is astatine normally found as a pure element or a compound?
Astatine exist in nature very probable as compounds.
Which of the first 88 elements that is not found in nature but must be synthesized?
astatine, element 85
Is astatine found as a pure element in nature or in a compound?
Astatine is found naturally as a member of the radioactive decay series: uranium, thorium and actinium series; the chemical form is not excatly known.
Where can astatine be found in your home?
Fortunately it is impossible to found astatine in your home.
What are everyday objects cn astatine can be found in?
astatine can be found in no everyday objects. it is only found in Uranium :)
This element is found in the earth crust no more than 30 grams?
Astatine is found less than 28 grams in the earth crust
How is astatine produced?
it is produced by radioactive decay from nature
Is astatine found in any common materials?
Astatine is an extremely rare chemical element, not found in common materials.
Is astatine metal or non metal?
Astatine, with the symbol At and the atomic number 85, is usually classified at a metalloid, but this is in dispute. It is sometimes classified as a halogen, and possibly a metal. It is still being studied.
Is astatine found most commonly as an element?
no, it is most commonly found as a compound
How many elements cant be found in nature?
Uranium, element number 92, is the largest naturally occurring element. However, francium, 87, and astatine, 85, along with any element with an atomic number larger than 92 are not found in nature. They are produced in the laboratory. If they do occur naturally they are in exceedingly small quantities. So to answer your question "How many elements can't be found in nature?" about 16 or a few more.
What is the charge of ions on Astatine?
Astatine is in the group 7A of the periodic table. The members of this group all have an ionic charge of -1, so At (astatine) will have a -1 ionic charge.
