Home
Class 11
CHEMISTRY
Define atomic mass according to modern s...

Define atomic mass according to modern scale.

Promotional Banner

Topper's Solved these Questions

  • SOME BASIC CONCEPTS OF CHEMISTRY

    CHHAYA PUBLICATION|Exercise QUESTION ANSWER ZONE FOR BOARD EXAMINATION (VERY SHORT ANSWER TYPE)|15 Videos
  • SOME BASIC CONCEPTS OF CHEMISTRY

    CHHAYA PUBLICATION|Exercise QUESTION ANSWER ZONE FOR BOARD EXAMINATION (SHORT ANSWER TYPE)|16 Videos
  • SOME BASIC CONCEPTS OF CHEMISTRY

    CHHAYA PUBLICATION|Exercise PRACTICE SET|13 Videos
  • s-BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise PRACTICE SET|16 Videos
  • STATES OF MATTER : GASES AND LIQUIDS

    CHHAYA PUBLICATION|Exercise PRACTICE SET|10 Videos

Similar Questions

Explore conceptually related problems

Define molecular mass according to modern scale.

Define-atomicity.

Define formula mass.

What factors according to the modern concept on sexual dimorphism, promote the sex determination ? Explain with example.

Define standard mass.

The quantised physical quantity of an atomic electron, according to Bohr' s model , is

The gyromagnetic ratio of an electron in a H - atom according to Bohr model , is

Define reference woman according to ICMR.

Define law of mass action. Mention two important characteristics of chemical equilibrium.

Which is the most electronegative element according to the pauling's scale of electronegativity?

CHHAYA PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-WARM UP EXERCISE
  1. It is proper to consider Avogadro's hypothesis as a law? Explain.

    Text Solution

    |

  2. Define a molecule on the basis of Avogadro's hypothesis.

    Text Solution

    |

  3. Define atomic mass according to modern scale.

    Text Solution

    |

  4. What was the reason for selecting oxygen, instead of hydrogen, as the ...

    Text Solution

    |

  5. What is atomic mass unit?

    Text Solution

    |

  6. Mention actual mass of a ""^(12)C-atom.

    Text Solution

    |

  7. Mention the mass of ""^(14)N-atom in amu.

    Text Solution

    |

  8. Atomic mass o an element should properly be called average atomic mass...

    Text Solution

    |

  9. What do you mean by 'the mass of an H-atom is 1.008 amu'. Calculate th...

    Text Solution

    |

  10. Distinguish between actual mass and atomic mass.

    Text Solution

    |

  11. Why are the atomic masses generally fractional?

    Text Solution

    |

  12. The element, boron has two isotopes (""^(10)B and ""^(11)B). Calculate...

    Text Solution

    |

  13. What is the magnitude of 1 amu?

    Text Solution

    |

  14. Calculate the number of gram-atom present in 2.1g of nitrogne and 0.23...

    Text Solution

    |

  15. Define molecular mass according to modern scale.

    Text Solution

    |

  16. The molecular mass of sodium chloride is 58.5'. Comment on this statem...

    Text Solution

    |

  17. Give an example of a tetra-atomic element and calculate its molecular ...

    Text Solution

    |

  18. Define formula mass.

    Text Solution

    |

  19. Molecular mass and formula mass are not always synonymous-explain.

    Text Solution

    |

  20. 1g mole oxygen=2 gram-atom oxygen'-justify.

    Text Solution

    |