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Among the alkaline earth metals, the ele...

Among the alkaline earth metals, the element forming predominantly covalent compounds is

A

Ba

B

Sr

C

Ca

D

Be

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The correct Answer is:
D
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Alkaline earth metals are

In the following table, the positions of six elements A, B, C, D, E and F are given as they are in the Modern Periodic Table : On the basis of the above table, answer the following questions : (i) Name the element which forms only covalent compounds. (ii) Name the element which is a metal with valency three. (iii) Name the element which is a non-metal with valency three. (iv) Out of B and C, whose atomic radius is bigger and why? (v) Write the common name for the family to which the elements D and F belong.

Study the following table in which positions of six elements A, B, C, D, E and F are shown as they are in the modern periodic table : On the basis of the above table, answer the following questions : (i) Name the element which forms only covalent compounds. (ii) Name the element which is a metal with valency three. (iii) Name the element which is a non-metal with valency three. (iv) Out of D and E, which is bigger is size and why ? (v) Write the common name for the family to which the elements C and F belong.

What are alkaline earth metals? Why are they called so?

Explain the important properties of covalent compounds.

D-block elements form co-ordination compounds. Give reasons.

MODERN PUBLICATION-UNIT TEST - 3-MULTIPLE CHOICE QUESTIONS
  1. The stability of the following alkali metal chlorides follows the orde...

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  2. The following compounds have been arranged in order of their increasin...

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  3. Among the alkaline earth metals, the element forming predominantly cov...

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  4. A metal M readily forms water soluble sulphate MSO(4), water insoluble...

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  5. The correct sequence of increasing covalent character is represented b...

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  6. A solid compound 'X' on heating gives CO(2) gas and a residue. The res...

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  7. The correct order of the mobility of alkali metal ions in aqueous solu...

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  8. Ammoniacal solution of MgSO(4) in presence of NH(4)Cl is heated with N...

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  9. The carbonate that will not decompose on heating is

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  10. The alkali metals form salts like hydrides by the direct synthesis at ...

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  11. Correct order of stability of group II A metal carbonates is

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  12. In case of alkali metals, the covalent character decreases in the orde...

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  13. Solubilities of carbonates decrease down the magnesium group due to de...

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  14. The correct order of increasing ionic character is

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  15. Which of the following is not an important constituent of cement ?

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  16. Which of the following is radioactive alkali metal ?

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  17. What is false about H(2)O(2)

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  18. In transforming 1 mole of PbS to PbSO(4) the volume of '10 volume' H(2...

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  19. Which of the following is not an example of ionic hydride ?

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  20. Hydrogen peroxide is used as an antiseptic under the name

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