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To disintegrate. That is, some of the atoms in a sample will disintegrate over time.
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What is property in which unstable nuclei of an element spontaneously emit radiation?
Radioactivity
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.
What is the tendency for a material to oppose the electron flow and change electrical energy in to thermal energy and light?
Resistive tendency
What did Henri Becquerel discover while studying a material that contained uranium?
Henri Becquerel discovered in 1896 the natural radioactivity of uranium.
''Ohm's law is the tendency for material to oppose the flow of electrons''is this true?
No, resistance is the tendency to oppose the flow of electrons. Ohm's Law simply relates resistance, voltage, and current.
How does the length of the half-life of the element correspond to the radioactivity of the element?
The length of time required for half of a sample of radioactive material to decay
Has uranium higher tendency of radioactivity?
All the isotopes of uranium are radioactive !
How long does radiation stay around?
Radioactivity gradually falls in all radioactive materials, how quickly it falls depends on the half-life of the material. The radioactivity of a material with a short half-life will fall alot quicker than the radioactivity of a material with a long half-life.
Can radioactivity element and material ever lose its activity?
No. The activity rate declines exponentially but mathematically, even though it gets closer and closer to zero, it can never attain that value.
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
What is it called when an atom decays and become another element?
Radioactivity
Where does the element californium come from?
It is a man-made element and, due to its high radioactivity does not exist in nature.
What is property in which unstable nuclei of an element spontaneously emit radiation?
Radioactivity
Will the radioactive property remain in an ionic compound when a metal element is highly radioactive combined with a non-metal element which is non-radioactive?
A radioactive material is radioactive. Period. The atoms of radioactive material have unstable nuclei. If you combine them with other material, the radioactive material will remain unaffected as regards its radioactivity. Recall that radioactivity is related to the instability of atomic nuclei, and the atomic structure of atomic nuclei are (in general) not involved in chemical bonding. Chemical bonding doesn't affect the stability of the nuclei of atoms. If they are unstable, they will remain so whether the atoms are alone or chemically combined with something else.
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.
What element was named for Marie and Pierre Currie?
radioactivity,polonium,uranium,and radium.
