The radiation sign is posted to warn individuals of their proximity to a source of radiation. The sign is non-specific in that it does no specify a type of radioactivity or what source is involved. Other signs or cues will have to be observed to gather more details. For instance, if you are in a nuclear power plant, the radiation hazards are associated with the reactor itself. Gamma rays and neutron radiation might be encountered under certain conditions, and all precautions must be observed. A link can be found below for more information. It would be a good idea to check out the signs because they have and are continuing to change.
There are now two, this link explains.
http://en.wikipedia.org/wiki/Hazard_symbol#Radioactive_sign
The chemical symbol Rn is derived - of course - from the name of the element - radon.
Go to wikipedia and type "radioactive symbol" in the search box.
WARNING, the thing or area so marked is emitting or permeated by radiation (alpha, beta or gamma) and is therefore harmful to your life.
That would be the "trefoil" symbol. See the link below.
The "radioactive" safety symbol warns you that radioactive material or a radiation producing machine is near the symbol and you should take precautions to ensure that you are not unnecessarily exposed to ionizing radiation.
Yes, Rn is radon a radioactive nonmetal. But the symbol Rn does not stand for "radioactive nonmetal." Rn Radon has no stable isotopes, so yes it is always a radioactive nonmetal.
Your question is meaningless. Radium IS a radioactive element, and its power depends on the context. If you mean "is there an element more radioactive than radium" then yes, there are many, e.g. astatine.
It means that particular combination of protons and neutrons is not stable.
kelvins
"The distinctive symbol used to identify radioactive materials is the
The "radioactive" safety symbol warns you that radioactive material or a radiation producing machine is near the symbol and you should take precautions to ensure that you are not unnecessarily exposed to ionizing radiation.
For your the best place to purchase radioactive symbol signs is myradiationsign. They are specialized in radiation warning and radioactive signs and stickers..
in certain types of radioactive decay processes. it is not electromagnetic radiation.
Ra is the chemical symbol for Radium - a highly-radioactive element.
Fr is the symbol for the radioactive element francium.
Actinium is a radioactive element with symbol Ac.
Yes, Rn is radon a radioactive nonmetal. But the symbol Rn does not stand for "radioactive nonmetal." Rn Radon has no stable isotopes, so yes it is always a radioactive nonmetal.
The radioactive warning sign means that a source of radiation, or of radioactive material, is on the other side and should not be approached without using appropriate precautions.
Tri Blade
Radium. Atomic number 88
The symbol for radiation is the "radiation trefoil", and you can find it by that name. I've added a link below.