Home
Class 12
PHYSICS
How many electron potons and mass number...

How many electron potons and mass number in a nucleus of atomic number `11` and mass `24`?
(i) number of electron = (ii)number of proton = (iii)number of neutrons =

A

`11` electrons, `11` protons and `13` neutrons

B

`11` electrons, `13` protons and `11` neutrons

C

`11` protons and `14` neutrons

D

`11` protons and `13` electrons

Text Solution

Verified by Experts

The correct Answer is:
C

( c) Nucleus does not contain electron.
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

How many electrons, protons, and neutrons are there in a nucleus of atomic number 11 and mass number 24?

The number of electrons in an atom of atomic number Z and mass number A is

A nucleus has atomic number 11 and mass number 24. State the number of electrons, protons and neutrons in the nucleus

How many electrons does an atom with an atomic number of 20 and a mass number of 42 have?

Which of the following are true for an element ? (i) Atomic number = number of protons + number of electrons (ii) Mass number = number of protons + number of neutrons (iii) Atomic number = number of protons = number of neutrons (iv) Atomic number = number of protons = number of electrons

Atomic number of a nucleus is Z and atomic mass is M . The number of neutron is.

The number of electrons in an element with atomic number X and mass number Y will be

The nucleus of an atom has 5 protons and 6 neutrons. What would be the (a) atomic number, (b) mass number, (c) the number of electrons, and (d) the number of valence electrons, per atom of this element ?

A2Z-NUCLEAR PHYSICS-Section D - Chapter End Test
  1. How many electron potons and mass number in a nucleus of atomic number...

    Text Solution

    |

  2. If N(0) is the original mass of the substance of half - life period t(...

    Text Solution

    |

  3. A radioactive sample at any instant has its disintegration rate 5000 d...

    Text Solution

    |

  4. Which of the following atoms has the lowest ionization potential ?

    Text Solution

    |

  5. In the nuclear fusion reaction (1)^(2)H + (1)^(3)H rarr (2)^(4)He + ...

    Text Solution

    |

  6. The binding energy per nucleon of deuterium and helium atom is 1.1 MeV...

    Text Solution

    |

  7. If radius of the (13)^(27) Al necleus is estimated to be 3.6 fermi the...

    Text Solution

    |

  8. Starting with a sample of pure .^66 Cu, 7//8 of it decays into Zn in 1...

    Text Solution

    |

  9. Some radioactive nucleus may emit.

    Text Solution

    |

  10. Which of the following is a correct statement?

    Text Solution

    |

  11. .^22 Ne nucleus after absorbing energy decays into two alpha-particles...

    Text Solution

    |

  12. The half - life of I ^ (131) is 8 days. Given a sample of I^(131) at ...

    Text Solution

    |

  13. The binding energy per nucleon of O^16 is 7.97 MeV and that of O^17 is...

    Text Solution

    |

  14. A star initially has 10^40 deuterons. It produces energy via the proce...

    Text Solution

    |

  15. A nucleus with mass number 220 initially at rest emits an alpha-partic...

    Text Solution

    |

  16. The half life of radioactive Radon is 3.8 days . The time at the end o...

    Text Solution

    |

  17. A freshly prepared radioactive source of half-life 2 h emits radiation...

    Text Solution

    |

  18. A radioactive material decays by simulataneous emission of two particl...

    Text Solution

    |

  19. The half-life period of a radioactive element x is same as the mean li...

    Text Solution

    |

  20. Two radioactive X(1) and X(2) have decay constants 10 lambda and lamb...

    Text Solution

    |

  21. After 280 days, the activity of a radioactive sample is 6000 dps. The ...

    Text Solution

    |