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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.
Synethesis of alkanesa
Explain ,Why NH 4 + ion doesnot form complexes? solution) NH 4 + Ion does not act as ligand because nitrogen atom has no lone pair of electrons which it can donate to metal a
Some important types of electrodes which are frequently used in electrochemical cells are described as follows: Metal-metal ion electrode: such type of electrodes includes a
Q. Describe Structure of Solids? Ans. Solids are different from gases and liquids because they have a fixed shape. This definite shape occurs as the individual particles w
Explain about the Dielectric Breakdown Dielectric Breakdown of a dielectric material is because of the excitation of electrons into the conduction band across energy
The electronic configuration of a dipositive metal M 2+ is 2, 8, 14 and its atomic weight is 56 a.m.u. The number of neutrons in its nuclei would be: (1) 30 (2)32
Elimination reactions - Chemical Properties Alkyl Halides The positive charge on carbon is promulgated to the neighbouring carbon atoms through inductive effect. While moved to
2-chloro propane in ethanol at optimum temp .what is the product?
how can we test s2o3 in lab
Anomalous behavior of Fe
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