Home
Class 11
CHEMISTRY
What is the abundance of isotopes ?...

What is the abundance of isotopes ?

Promotional Banner

Topper's Solved these Questions

  • SOME BASIC CONCEPTS OF CHEMISTRY

    CHETANA PUBLICATION|Exercise EXERCISE|34 Videos
  • ADSORPTION AND COLLOIDS

    CHETANA PUBLICATION|Exercise EXERCISE|41 Videos

Similar Questions

Explore conceptually related problems

State the uses of isotopes

Fat is abundant in

Boron has two isotopes with atomic masses 10 and 11. If its average atomic mass is 10.81, the abundance of lighter isotope is________.

An elements of atomic mass "m" consists of two isotopes of mass numbers (m-1) and (m+2). The percentage abundance of lighter isotope is

Which is the radioactive isotope of carbon, used for tracing its path in dark reactions?

Which of the following indicates natural abundance of neon-20 isotope?

What are isotopes ?

Write the names of isotopes of hydrogen. What is the mass ratio of these isotopes?

In a periodic table the average atomic mass of magnesium is given as 24.312 u. The average value is based on their relative natural abundance on earth.The three sotopes and their masses are '' - 12^24 Mg (23.98504 u), ''_12^25 12Mg(24.98584 u) and "_12^26 Mg (25.98259 u) . The natural abundance of ''_12^24Mg is 78.99% by mass. Calculate the abundances of other two isotopes.

CHETANA PUBLICATION- SOME BASIC CONCEPTS OF CHEMISTRY-EXERCISE
  1. What is the abundance of isotopes ?

    Text Solution

    |

  2. Calculate the volume of hydrogen required for hydrogenation of 0.60 dm...

    Text Solution

    |

  3. Calculate the no. of moles in 6 xx 10^21 NH3, 5 XX10 ^21 C atoms and...

    Text Solution

    |

  4. Calculate the no. of moles in 1.6xx10^-2 kg of SO2, 5g of CaCO2 and 1...

    Text Solution

    |

  5. Calculate the no. of moles present in 0.0056 m^3 of Ar and 224 cm^3 of...

    Text Solution

    |

  6. A signature made by graphite pencil is of weight 2 xx 10^-3 g . Calcu...

    Text Solution

    |

  7. Calculate the volume of oxygen required for the complete combustion of...

    Text Solution

    |

  8. A sample of pure water , whatever the source always contains……………… by ...

    Text Solution

    |

  9. Which of the following compounds can NOT demonstrate the law of multip...

    Text Solution

    |

  10. Which of the following temperature will read the same value on Celsius...

    Text Solution

    |

  11. SI unit of the quantity electric current is ………………

    Text Solution

    |

  12. In reaction N 2 + 3H2 rarr 2NH3 the ratio by volume ofN2 , H2 and NH...

    Text Solution

    |

  13. Which of the following has maximum number of molecules ?

    Text Solution

    |

  14. How many g of H2 O are present in 0.25 mol of it ?

    Text Solution

    |

  15. The number of molecules in 22.4 cm^3 of nitrogen gas at STP is

    Text Solution

    |

  16. Which of the following has the largest number of atoms ?

    Text Solution

    |

  17. A sample of pure water , whatever the source always contains……………… by ...

    Text Solution

    |

  18. The number of molecules in 22.4 cm^3 of nitrogen gas at STP is

    Text Solution

    |

  19. In reaction N 2 + 3H2 rarr 2NH3 the ratio by volume ofN2 , H2 and NH...

    Text Solution

    |

  20. The temperature at absolute zero is.

    Text Solution

    |

  21. Define the term unit .

    Text Solution

    |