Home
Class 10
PHYSICS
A nucleus ""(11)Na^(24) emits a beta-par...

A nucleus `""_(11)Na^(24)` emits a `beta`-particle to change into magnesium (Mg).
What are numbers 24 and 11 called?

Text Solution

Verified by Experts

24 is the mass number (number of protons and neutrons).
11 is the atomic number (number of protons).
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A nucleus ""_(11)Na^(24) emits a beta particle to change into Magnesium (Mg). What is the general name ""_(12)^(24)Mg with respect to ""_(11)^(24)Na ?

A nucleus ""_(11)Na^(24) emits a beta particle to change into Magnesium (Mg). Write the symbolic equation for the process.

A nucleus ""_(11)^(24) Na is beta -radioactive. (a) What are the numbers 24 and 11 called ? (b) Write the equation representing beta -decay. (c ) What general name is given to the product nucleus with respect to ""_(11)^(24) Na ?

A uranium nucleus ._(92)U^(238) emits and alpha -particle and a beta -particle in succession. The atomic number and mass number of the final nucleus will be

A nucleus ._n X^m emits one alpha and one beta particles. The resulting nucleus is.

An atomic nucleus A is composed of 84 protons and 128 neutrons. The nucleus A emits and alpha particle and is transformed into a nucleus B. (i) What is the composition of B ? (ii) The nucleus B emits a beta particle and is transformed into a nucleus C. What is the composition of C? (iii) What is mass number of the nucleus A ? (iv) Does the composition of C change if it emits gamma radiations ?

The nucleus ""_(84)^(202)X emits an alpha particle and forms the nucleus Y. Represent this change in the form of an equation.

When a nucleus at rest emits a beta particle, it is found that the velocities of the recoiling nucleus and th beta particle ae not along the same straight line. How can this be possible in view of the principle of conservation of momemtum?

A uranium nucleus (atomic number 92 , mass number 231 ) emits an alpha -particle and the resultant nucleus emits a beta -particles. What are the atomic and mass numbers of the final nucleus? .

A nucleus Pu emits an alpha particle and changes to U which emits a beta particle and then a gamma particle to change into ""_(93)^(235)Np . Write the above nuclear changes in form of an equation stating the atomic number and mass number of each nucleus.

ICSE-SAMPLE PAPER 2014-SECTION-II
  1. Two resistors of 4Omegaand6Omega are connected in parallel to a cell t...

    Text Solution

    |

  2. Two resistors of 4Omegaand6Omega are connected in parallel to a cell t...

    Text Solution

    |

  3. What is an Ohmic resistor ?

    Text Solution

    |

  4. Two copper wires are of the same length, but one is thicker than the o...

    Text Solution

    |

  5. Two sets A and B, of three bulbs each, are glowing in two separate roo...

    Text Solution

    |

  6. Two sets A and B, of three bulbs each, are glowing in two separate roo...

    Text Solution

    |

  7. Heat energy is supplied at a constant rate to 100 g of ice at 0^(@)C. ...

    Text Solution

    |

  8. The specific heat capacity of a substance A is 3,800Jkg^(-1)K^(-1) and...

    Text Solution

    |

  9. Specific heat capacity of substance A is 3.8Jg^(-1)K^(-1) whereas the ...

    Text Solution

    |

  10. Specific heat capacity of substance A is 3.8Jg^(-1)K^(-1) whereas the ...

    Text Solution

    |

  11. State two ways to minimise the impact of global warming.

    Text Solution

    |

  12. What is the greenhouse effect?

    Text Solution

    |

  13. Name two factors on which the magnitude of an induced e.m.f. in the se...

    Text Solution

    |

  14. In the following diagram an arrow shows the motion of the coil towards...

    Text Solution

    |

  15. A nucleus ""(11)Na^(24) emits a beta particle to change into Magnesium...

    Text Solution

    |

  16. A nucleus ""(11)Na^(24) emits a beta-particle to change into magnesium...

    Text Solution

    |

  17. A nucleus ""(11)Na^(24) emits a beta particle to change into Magnesium...

    Text Solution

    |

  18. In a cathode ray tube state : the purpose of covering cathode by tho...

    Text Solution

    |

  19. In a cathode ray tube state : the purpose of the fluorescent screen.

    Text Solution

    |

  20. In a cathode ray tube state : How is it possible to increase the rat...

    Text Solution

    |