Home
Class 10
CHEMISTRY
In the modern periodic table, calcium (a...

In the modern periodic table, calcium (atomic number20) is surrounded by element with atomic number 12,19,21 and 38 which of these have physical and chemical properties resembling calcium?

Text Solution

Verified by Experts

Element with atomic number 38.
Promotional Banner

Topper's Solved these Questions

  • PERIODIC CLASSIFICATION OF ELEMENTS

    SWAN PUBLICATION|Exercise ADDITIONAL IMPORTANT QUESTIONS (Multiple Choice Questions)|7 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    SWAN PUBLICATION|Exercise ADDITIONAL IMPORTANT QUESTIONS (Very Short Answer Type Questions)|16 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    SWAN PUBLICATION|Exercise Textbook Questions |13 Videos

  • METALS AND NON METALS

    SWAN PUBLICATION|Exercise ADDITIONAL IMPORTANT QUESTIONS ( Long Answer Type Questions )|9 Videos

Similar Questions

Explore conceptually related problems

Write the electronic configuration of the elements A, B, C, D, E with atomic numbers 5, 6, 14, 13 and 15. Which have similar chemical properties ?

Write the symbol and electronic configuration of element with atomic number 19.

What valency will be shown by an element having atomic number 12 ?

What valency will be shown by an element having atomic number 15 ?

Which period of the periodic table contains maximum number of elements?

Write the electronic configuration of an element X whose atomic number is 12.

Write down the electronic configuration of elements with atomic numbers 2,14,17,19 indicate the group of the periodic tabe to which they belong?

Give IUPAC name of an element having atomic number 106 is……… .

Calculate number of proton , neutron and electron in element potassium with atomic number 19 and mass number 39.

SWAN PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS -TEXTBOOK EXERCISES
  1. An element X has a valancy of 2. write the simplest formula for oxide ...

    Text Solution

    |

  2. Element 'X' forms a chloride with the formula XCl2 Which is a solid ...

    Text Solution

    |

  3. Calculate formula mass of following compound : K2O

    Text Solution

    |

  4. Which element has the electronic configuration 2, 8,4 ?

    Text Solution

    |

  5. Which element has the electronic configuration 2, 8,8, 1 ?

    Text Solution

    |

  6. Calculate the formula mass of KHCO3.

    Text Solution

    |

  7. Write the cation and anion present , if any , in the following : CH3CO...

    Text Solution

    |

  8. What property do all elements in the same column of the periodic table...

    Text Solution

    |

  9. Write the cation and anion present , if any , in the following : NaCl

    Text Solution

    |

  10. An atom has electronic configuration 2,8,7. What is the atomic number ...

    Text Solution

    |

  11. An atom has electronic configuration 2,8,7. To which of the following...

    Text Solution

    |

  12. The position of three elements A, B and C in the periodic table are as...

    Text Solution

    |

  13. The position of three elements A, B and C in the periodic table are a...

    Text Solution

    |

  14. Write the cation and anion present , if any , in the following : NH4NO...

    Text Solution

    |

  15. The position of three elements A, B and C in the Periodic Table are sh...

    Text Solution

    |

  16. Nitrogen(atomic number 7 ) and phosphorus (atomic number 15) belong to...

    Text Solution

    |

  17. How does the electronic configuration of an atom relate to its positio...

    Text Solution

    |

  18. In the modern periodic table, calcium (atomic number20) is surrounded ...

    Text Solution

    |

  19. Compare and contrast the arrangement of elements in mendeleev's period...

    Text Solution

    |