Home
Class 10
CHEMISTRY
is the only element in duplet state....

_______is the only element in duplet state.

A

Neon

B

Argon

C

Helium

D

krypton

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Periodic Classifications of ELements

    CHETANA PUBLICATION|Exercise EXAMPLE|212 Videos

  • Metallurgy

    CHETANA PUBLICATION|Exercise EXAMPLE|153 Videos

Similar Questions

Explore conceptually related problems

_______is the hardest natural subtance.

The enthalpies of elements in their standard states are taken as

The enthalpies of all elements in their standard states are :

Answer the following questions: State the number of elements in the shortest period..

Select the appropriate options and complete the following paragraph. (2, 7, 18, 32, atomic mass, atomic number, hydrogen, lithium) In the modern periodic table, all known elements are listed in increasing order of their _____ . It start with the lightest elements . The modern periodic table has ______ group and ____ preiods . The first period contains only ____ elements while the seventh period contains ______ elements .

The enthalpy of formation for all elements in their standard state is

Which of the following element does not show oxidation state of +4 ?

State whether the following statements are True or False: The chemical properties of the elements in the same group show similarity.

CHETANA PUBLICATION-Periodic Classifications of ELements-EXAMPLE
  1. is the only element in duplet state.

    Text Solution

    |

  2. Find the odd man out. Lithium,beryllium,boron,Chlorine

    Text Solution

    |

  3. Find the odd man out. Sodium,Lithium,Copper,Beryllium

    Text Solution

    |

  4. Find the odd man out. Dalton,Dobereiner,Moseley,Newlands

    Text Solution

    |

  5. Find the odd man out. boron,Silicon,potassium,antimony

    Text Solution

    |

  6. Find the odd man out. Aluminium,Argon,Xenon,Sodium

    Text Solution

    |

  7. Find the odd man out. boron,Silicon,potassium,antimony

    Text Solution

    |

  8. Find the odd man out. Lithium,beryllium,boron,Chlorine

    Text Solution

    |

  9. Complete the anology Dobereiner:Traid::Newlands:

    Text Solution

    |

  10. Complete the anology Mendeleev's periodic Table: Atomic mass:: Mode...

    Text Solution

    |

  11. Complete the anology Hydrogen:First period ::Lithium:

    Text Solution

    |

  12. Complete the anology Fluorine:2,7:: chlorine:

    Text Solution

    |

  13. Complete the anology Group 1:Alkali metals :: : alkaline earth meta...

    Text Solution

    |

  14. Complete the anology Transition elements :d-block:: inner transitio...

    Text Solution

    |

  15. Complete the anology Tellurium:--------:: Radium:Metal

    Text Solution

    |

  16. Complete the anology Transition elements:------Inner transition ele...

    Text Solution

    |

  17. Complete the anology Lanthanides:Ce to Lu::Actinides:

    Text Solution

    |

  18. Complete the anology Ca:Alkaline earth metal:: Cs:

    Text Solution

    |

  19. Complete the anology Fe:Electropositive :: CI:

    Text Solution

    |

  20. Complete the anology (Li,Na,K):::(F,CI,Br): Group 17

    Text Solution

    |

  21. Complete the anology Valency of Na(2,8,1):1(One)::Valency of P(2,8,...

    Text Solution

    |