Home
Class 8
CHEMISTRY
Calculate the atomic mass of silicon, wh...

Calculate the atomic mass of silicon, which occurs naturally as 92% silicon -28, 5% silicon - 29, and 3% silicon - 30

Text Solution

Verified by Experts

`(0.92 xx 28)amu + (0.05 xx 29 amu) + ( 0.03 xx 30 amu)= 28.11` amu
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    S CHAND IIT JEE FOUNDATION|Exercise QUESTION BANK-20 ( Answer the following questions ) |4 Videos
  • ATOMIC STRUCTURE

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET -20|23 Videos
  • ATOMIC STRUCTURE

    S CHAND IIT JEE FOUNDATION|Exercise QUESTION BANK-20 (FILL IN THE BLANKS WITH APPROPRIATE WORDS TO MAKE CORRECT STATEMENTS. )|10 Videos
  • CARBON AND ITS COMPOUNDS

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET-19 |24 Videos

Similar Questions

Explore conceptually related problems

For silicon which is not correct?

The number of electron in neutral atom of silicon is

Name a plant, which accumulate silicon.

Which is not truw regarding silicones?

Calculate the electrical resistivity and conductivity of a silicon crystal if every 10 mollion silicon atoms is replaced by an atom of indium. Given that intrinsic carrier density of silicon = 1.5 xx 10^(16) m^(-3) , atomic weight of silicon = 28.09, density of silicon = 2330 "kg m"^(-3) , mobility of electrons (mu_(n))=0.135 , that of holes (mu_(p))=0.018 , By how many times is the conductivity increased ?

Calculate the electronegativity of silicon atom using Allred-rochow's method. If covalent radius of silicon is 1.0 A. (rounded in nearest integer value).

Which statement about silicon is false?

Which out of carbon and silicon forms multiple bonds?

S CHAND IIT JEE FOUNDATION-ATOMIC STRUCTURE-QUESTION BANK-20
  1. Calculate the atomic mass of chlorine, which consists of 76% of all th...

    Text Solution

    |

  2. Calculate the atomic mass of silver, which occurs naturally as 52% sil...

    Text Solution

    |

  3. Calculate the atomic mass of silicon, which occurs naturally as 92% si...

    Text Solution

    |

  4. The ion of an element has 3 positive charges. The mass number of atom ...

    Text Solution

    |

  5. How many electrons does an atom with an atomic number of 20 and a mass...

    Text Solution

    |

  6. Which of the following do not represent Bohr's model of atom correctly...

    Text Solution

    |

  7. Identify the Mg^(2+) ion from the figure where, n and p represent the ...

    Text Solution

    |

  8. Elements with valency 1 are

    Text Solution

    |

  9. Use the following terms to create a concept map atom, nucleus, prot...

    Text Solution

    |

  10. Complete the following sentences by choosing the correct term from th...

    Text Solution

    |

  11. Complete the following sentences by choosing the correct term from th...

    Text Solution

    |

  12. The statements below are false. For each statement, replace the underl...

    Text Solution

    |

  13. The statements below are false. For each statement, replace the underl...

    Text Solution

    |

  14. Compare nuclear fission with nuclear fusion.

    Text Solution

    |

  15. Imagine that a uranium nucleus splits and releases three neutrons and ...

    Text Solution

    |

  16. Which of the following is a use of radioactive material?

    Text Solution

    |

  17. Which particle both begins and is produced by a nuclear chain reaction...

    Text Solution

    |

  18. Which statement about nuclear fusion is false?

    Text Solution

    |

  19. In fission, the products have less mass than the starting materials do...

    Text Solution

    |

  20. Explain why nuclei of carbon, oxygen, and iron can be found in stars

    Text Solution

    |