Home
Class 10
CHEMISTRY
A metal M forms an oxide having the form...

A metal M forms an oxide having the formula `M_2O_3.` It belongs to 3rd period in the Modern Periodic table. Write the atomic number and valency of the metal.

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

In the periodic table, the element of atomic number 56 belong to

Name the following: The three metals in the third period of the modern periodic table.

In the periodic table , the element with atomic number 38 belongs to ______

d-block metals belong to __________periods of the periodic table.

In the following table, six elements A, B, C, D, E and F (here letters are not the usual symbols of the elements) of the modern periodic table with their atomic numbers are given. Which of these are metals?

In the following table, seven elements P,Q,R,S,T,U and V (here letters are not the usual symbol of the elements)of the modern periodic table with their atomic numbers are given Which of the these are metals? Name them

In the following table, six elements A, B, C, D, E and F (here letters are not the usual symbols of the elements) of the modern periodic table with their atomic numbers are given. Which of these is an inert gas ?

In the following table, six elements A, B, C, D, E and F (here letters are not the usual symbols of the elements) of the modern periodic table with their atomic numbers are given. Which of these is a halogen ?

In the following table, seven elements P,Q,R,S,T,U and V (here letters are not the usual symbol of the elements)of the modern periodic table with their atomic numbers are given Which of these is a halogen? Name it.

In the following table, seven elements P,Q,R,S,T,U and V (here letters are not the usual symbol of the elements)of the modern periodic table with their atomic numbers are given Which of these is an inert gas? Name it.

CHETANA PUBLICATION-Periodic Classifications of ELements-EXAMPLE
  1. Write a common name for the family of elements C and F?

    Text Solution

    |

  2. Chlorine has two isotopes, viz. Cl-35 and Cl-37 Their atomic masses ar...

    Text Solution

    |

  3. A metal M forms an oxide having the formula M2O3. It belongs to 3rd pe...

    Text Solution

    |

  4. What is the relationship between the electronic configuration of an el...

    Text Solution

    |

  5. The atomic number of beryllium is 4 while that of oxygen is 8. Write d...

    Text Solution

    |

  6. Which of the above elements have the biggest and the smallest atom?

    Text Solution

    |

  7. What is the periodic trend observed in the variation of atomic radii d...

    Text Solution

    |

  8. Classify the elements of the third period into metals and non-metals.

    Text Solution

    |

  9. On which side of the period did you find the Non-metals?

    Text Solution

    |

  10. What is the cause of non-metallic character of element?

    Text Solution

    |

  11. What is the expected trend in the variation of non-metallic character ...

    Text Solution

    |

  12. What would be the expected trend in the variation of non-metallic char...

    Text Solution

    |

  13. Go through the Modern periodic table (fig2.1) and write the names one ...

    Text Solution

    |

  14. Go through the Modern periodic table (fig2.1) and write the names one ...

    Text Solution

    |

  15. Go through the Modern periodic table (fig2.1) and write the names one ...

    Text Solution

    |

  16. On going through the Modern periodic table (fig2.1) it is seen that th...

    Text Solution

    |

  17. On going through the Modern periodic table (fig. 2.1) it is seen that ...

    Text Solution

    |

  18. On going through the Modern periodic table (fig. 2.1) it is seen that ...

    Text Solution

    |

  19. How is the problem regarding the position of cobalt("59CO) and nickel ...

    Text Solution

    |

  20. How did the position of frac(35)(17)Cl and frac(37)(17)Clget fixed in ...

    Text Solution

    |