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An unstable atomic nucleus breaks apart, and converts into another atom. Some radiation will also be emitted.
Each type of atom (each isotope) has a characteristic half-life; for example, Tritium (3H - a hydrogen atom consisting of one proton and two neutrons) has a half-life of about 19 years. This means that if you have a large number of Tritium atoms, after 19 years half of them will have broken apart - changed into something else. However, you can't predict when an individual atom will break apart - except that there is a high probability that it will happen after a few times the half-life, at the most.
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When did Marie curie build radioactivity?
no but she built the knowleage of radioactivity.
Is radioactivity extensive or intensive?
is radioactivity extensive or intensive or chemical property
What are the differences between natural radioactivity nd artificial radioactivity?
Natural radioactivity occurs spontaneously in certain elements without human intervention, while artificial radioactivity is induced through processes like nuclear reactions or bombardment of nuclei with particles. Natural radioactivity is present in materials like uranium and thorium, whereas artificial radioactivity typically involves isotopes produced in nuclear reactors or accelerators. Both types of radioactivity emit radiation, but the sources and mechanisms differ.
Which cell component would first show an increase in radioactivity?
The nucleus would first show an increase in radioactivity as it contains the genetic material of the cell, and radioactivity affects DNA.
How long has there been radioactivity?
Radioactivity has existed since the formation of the Earth around 4.5 billion years ago. The discovery of radioactivity date back to the late 19th century, with Henri Becquerel and Marie Curie being prominent figures in its study.
