Home
Class 9
CHEMISTRY
True or false? . a) All particles in t...

True or false? .
a) All particles in the atom have charge.
b) Electron and proton haveopposite charges. So atom has no charge.
c) Mass number is the total number of electron, proton and neutron.
d) The number of neutrons are obtained on substracting atomic number from mass number.

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

The atomic number of atom is 13. Its mass number is 27. Write the number of electron and neutrons in the atom.

There are 11 electrons and 12 neutrons In an atom. Find out the atomic number and mass number.

Write the atomic number of an atom is 18 and mass number is 40 Find the number of protons, electrons, and neutrons in the atom.

The number of electrons for 1 coulomb of charge is

How many electrons and neutrons are there in an atom of mass number A and atomic number Z?

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

Is there any relation between the total number of protons and neutrons in an atom and its mass?

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

The mass number of an atom is 32. There are 6 elec¬trons in the 'M' shell. What is the number of neutrons?

V PUBLICATION-Structure of Atom-QUESTION BANK
  1. Complete the table.

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  15. The atomic number of an element is 15 .its mass number is31. Write the...

    Text Solution

    |

  16. Complete the table given below.

    Text Solution

    |

  17. Fill suitably.

    Text Solution

    |

  18. Atoms of elements are made up mainly of protons, electrons and neutron...

    Text Solution

    |

  19. Choose the pairs of isotopes from the following. Symbols are. not re...

    Text Solution

    |

  20. Match the following.

    Text Solution

    |