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The nuclei have been separated on the basis of the number of protons (atomic number) or the total number of nucleons (mass number) as given below:
(i) Isotopes: The atoms of element having similar atomic number but different mass number are called as isotopes. All isotopes have the same chemical properties.
(ii) Isobars: The nuclei which have the similar mass number (A) but different atomic number (Z) are called isobars. Isobars occupy dissimilar positions in periodic table so all isobars have dissimilar chemical characteristics.
(iii) Isotones: The nuclei having equal number of neutrons are known as isotones. For them both the atomic number (Z) and mass number (A) are dissimilar, but the value of (A - Z) is same.
(iv) Mirror nuclei: Nuclei having the similar mass number A but with the proton number (Z) and neutron number (A - Z) interchanged (or whose atomic number vary by 1) are known as mirror nuclei
Bead Sliding on Wire A vertical hoop supports a wire which is attached from the top of the hoop to any other point. Illustrate that the time required for a frictionless bead to
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Bronze: Copper when alloyed with tin (8% to 16%) and a very small percentage of a third element like cadmium, beryllium, phosphorous, silicon etc, is called Bronze. Bronzes are gi
Q. What percentage of a given radioactive substance will be left after 5 half -life periods? The residual part of radioactive substance = ( ½ ) 5 Therefore the percentage
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A car travels along a horizontal circular curved road that has a radius of 600 m. If the speed is uniformly increased at a rate of 2000 km>h2, determine the magnitude of the accele
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What is resultant force
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