Isotopes and Isobars – Explained With Video and pictures. CBSE Class 9 grade Standard Science Isotopes and Isobars with Video, learn by reading and watching Isotopes and Isobars, Isotopes and Isobars for class XIth, Easy to understand Isotopes and Isobars, Class 9 standard video, a way to learn Isotopes and Isobars, learn from the best, Isotopes and Isobars explained with pictures and video. Study material and reading material for Isotopes and Isobars SiteMap

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Unit-1 Food
organic farming
Plant and animal breeding
Plants protection from pests and diseases
use of fertilizers manures


Unit-2 Matter Nature and Behaviour
Structure of atom
Particle nature basic units
Nature of matter
Mole Concept
Isotopes and isobars
Heterogenous and homogenous mixtures
Electrons protons and neutrons
Definition of matter solid liquid and gas
characteristics of matter
change of state of matter
Atomic and molecular masses


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Pulse polio programmes
Principles of treatment and prevention
Major groups of animals
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Diversity of plants and animals
Diseases caused by microbes
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Unit-3-Organization-in-the-living-world




Isotopes and Isobars




Isotopes are variants of a particular chemical element. While all isotopes of a given element share the same number of protons, each isotope differs from the others in its number of neutrons. The term isotope is formed from the Greek roots isos (ἴσος "equal") and topos (τόπος "place"). Hence: "the same place," meaning that different isotopes of a single element occupy the same position on the periodic table. The number of protons within the atom's nucleus uniquely identifies an element, but a given element may in principle have any number of neutrons. The number of nucleons (protons and neutrons) in the nucleus, known as the mass number, is not the same for two isotopes of any element.


For example, carbon-12, carbon-13 and carbon-14 are three isotopes of the element carbon with mass numbers 12, 13 and 14 respectively. The atomic number of carbon is 6 which means that every carbon atom has 6 protons, so that the neutron numbers of these isotopes are 12 − 6 = 6, 13 − 6 = 7 and 14 − 6 = 8 respectively.

 

Isobars are atoms (nuclides) of different chemical elements that have the same number of nucleons. Correspondingly, isobars differ in atomic number (or number of protons) but not in mass number. An example of a series of isobars would be 40S, 40Cl, 40Ar, 40K, and 40Ca. The nuclei of these nuclides all contain 40 nucleons, however they contain varying numbers of protons and neutrons.





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Isotopes and Isobars – Explained With Video and pictures. CBSE Class 9 grade Standard Science Isotopes and Isobars with Video, learn by reading and watching Isotopes and Isobars, Isotopes and Isobars for class XIth, Easy to understand Isotopes and Isobars, Class 9 standard video, a way to learn Isotopes and Isobars, learn from the best, Isotopes and Isobars explained with pictures and video. Study material and reading material for Isotopes and Isobars