Home
Class 9
CHEMISTRY
a) What is the difference between atomic...

a) What is the difference between atomic number and mass number.
b) If the mass number of an element is 52 , and atomic number.is 24 , then how many neutrons will be there in the nucleus of its atom?

Promotional Banner

Topper's Solved these Questions

  • REDOX REACTION AND RATE OF CHEMICAL REACTIONS

    V PUBLICATION|Exercise QUESTION BANK|51 Videos

  • THE WORLD OF CARBON

    V PUBLICATION|Exercise QUESTION BANK|60 Videos

Similar Questions

Explore conceptually related problems

Define mass number of an atom?

Define atomic number of an element?

The atomic number of an element is derived from.

What Is atomic number?

The IUPAC name of an element is Unbinilium. Its atomic number is

A and B are two isotopes having mass numbers 14 and 16 respectively. If the atomic number of A is 7, then how many neutrons will be there in B?

The mass number of an atom is 17 Atomic. number is 8 What is the number of neutrons present in. it?

Which inferences can you arrive at when you examine the atomic number and mass number of these elements?

Atomic number of an atom Z=17, Mass number 35. Find the number of protons, electrons and neutrons in the atom.

V PUBLICATION-Structure of Atom-QUESTION BANK
  1. The representation of the Bohr atom model of an element is given below...

    Text Solution

    |

  2. Bohr models of atoms A, B,C,D are given (Symbols are not real). a) W...

    Text Solution

    |

  3. a) What is the difference between atomic number and mass number. b) If...

    Text Solution

    |

  4. Notice the three atomș given below: underset(17) overset(34) \Q , und...

    Text Solution

    |

  5. A,B, C, D and E five elements (These symbols are not real? underset (...

    Text Solution

    |

  6. Given below are the three isotopes of Hydrogen. underset(1) overset(1...

    Text Solution

    |

  7. Complete the table.

    Text Solution

    |

  8. Draw the Bohr model of argon atom. (Atomic numberAr=18 )

    Text Solution

    |

  9. Give reason for the following. a) atoms are electrically, neutral. b)...

    Text Solution

    |

  10. In the atom of an element 7 electrons are present in the M shell. : Th...

    Text Solution

    |

  11. An atom of aluminium (Al) has 13 electrons and 14 neutrons in it. a) ...

    Text Solution

    |

  12. Some details of the atoms X and Y are given below. a) Find the mass nu...

    Text Solution

    |

  13. Atomic number of an atom Z=17, A=35. a) Find the number of protons, ...

    Text Solution

    |

  14. Symbols (not real symbols) of some.atoms are given. underset(8) overs...

    Text Solution

    |

  15. True or false? . a) All particles in the atom have charge. b) Elect...

    Text Solution

    |

  16. Look at their properties in the table. Try to fill in the blanks.

    Text Solution

    |

  17. Some questions related to atoms are given below. Choose correct word f...

    Text Solution

    |

  18. An element is represented as follows (Symbol is not real) underset(13...

    Text Solution

    |

  19. The mass number of an element is 23 and its atomic number is 11 a) Fi...

    Text Solution

    |

  20. An atom has three shells. If there are 4 electröns in the third shell,...

    Text Solution

    |