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It depends somewhat on the type of radiation that one needs to be shielded.
Lead is very effective for gamma rays, however if the radiation is mostly neutron radiation then borated reinforced concrete is much more effective than lead (the hydrogen in the water of crystallization in the concrete slows the neutrons and the boron then absorbs the slow neutrons). Nuclear reactors which produce intense radiation of both gamma ray and neutron often use alternating layers of lead plate and borated reinforced concrete for shielding.
If all you are shielding against is beta radiation then a sheet of aluminum foil is typically adequate.
If all you are shielding against is alpha radiation then your skin (do not ingest or inhale alpha emitters) or one sheet of paper is adequate.
What else can I help you with?
What type of radioactivity was emitted from chernobyl?
cvcfegreg
Does a community shield count in a treble?
yes as it is used by most football teams as part of their treble.
What does uranium become when its lost its radioactivity?
Uranium becomes lead
Is the iodine-131 from the Chernobyl disaster is still a threat to us today?
You can only say, 23 years later, I-131's radioactivity almost decreases to 1/8 of original radioactivity.
What did Rutherford use to detect radio activity?
Ernest Rutherford used a device called a scintillation counter to detect radioactivity. This device counted the flashes of light produced when radioactive particles interacted with a phosphorescent material. Additionally, he employed a gold foil experiment to observe the scattering of alpha particles, which further contributed to his understanding of atomic structure and radioactivity.
What element is used to shield humans from radioactivity?
Usually lead (Pb) because it is a cheap heavy metal.
What is the material commonly used to shield living beings from potentially harmful radioactivity?
Lead
What element is used as a shield to protect people from redioactivity?
The most used is lead.
The material commonly used to shield living being form potentially harmful radioactivity includes?
ima boss all day
How is half time used on an element?
If you mean HALF LIFE, that is the length of time it takes a quantity of a radioactive element to lose half its radioactivity.
What is property in which unstable nuclei of an element spontaneously emit radiation?
Radioactivity is the property in which unstable nuclei of an element spontaneously emit radiation.
What materials are commonly used to shield living beings from potentially harmful radioactivity?
The protective apron used by dentists contains lead, which is highly opaque to radioactivity. (You would also notice that if you read Superman comic books; lead is used to safely contain kryptonite.)
What element is used as a shield to protect people from radioactve substances?
Lead
What element is used to as a shield to protect people from radioactice substances?
Lead
Is bombardment of alpha particles on beryllium artificial radioactivity?
You can say that as long as the alpha particle itself is not originating from a radioactive element. If however one is able to isolate the helium nucleus from the elemental atom and then used for bombarding towards the beryllium then it is considered as an example of artificial radioactivity. Or the production of a radioactive element(synthetic element) like Francium can be considered artificial radioactivity.
Is uranium the first radioactive element?
Radioactivity is discovered on uranium.
Is an element's atomic mass always indicative of its level of radioactivity?
no
