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Q. Describe about Nuclei and Radioactive Decay?
Dalton consideration that atoms were unchangeable. But scientists in the late nineteenth century began to notice that some elements spontaneously emitted energy and particles. These emissions befall known as radiation. Elements that emit radiation are said to be radioactive. Quickly scientists discovered that radioactive elements changed into other elements subsequent to emitting radiation. Therefore atoms were not unchangeable as Dalton had thought.
Today we recognize that some nuclei are unstable and gain stability by emitting radiation. This process is called as radioactive decay.
#What is the proof of formulae for finding Equivalent weight
Is there any difference b/w solution and mixture?
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Thermoplastic: These polymer gets soften on heating and can be converted into any shape that they can retain on cooling. Such polymers that soften on heating and stiffen on coolin
Q. Define Elements and Compounds? Pure substances are categorized into two categories that are elements and compounds. An element is a substance that can't be separated into
discovery of neutron becomes very late because
You may have eaten "astronaut ice cream" as a kid at a science museum or planetarium to experience the type of food eaten by astronauts. Astronaut ice cream is made by chilling the
what is ester
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