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In CaO , the valency of each atom is .(...

In `CaO` , the valency of each atom is _______________ .(one/two/three)

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Iron has only one valency.

Fill in the blanks with the appropriate word/s from the brackets. NaCl an eletrovalent compounds is formed as a result of transfer of _____ [ one, two, three] valence electrons from metallic sodium to non- metallic chlorine atom. CaO is similarly formed as a result of transfer of ____ [ one, two, three] valence electron/s from metallic calcium to non- metallic oxygen and megnesium chloride by transfer of ____ [ one, two, three] valence electron/s from ____ [one, two] magnesium atom/s to ____[one, two] chlorine atom/s.

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Find out the valency of the atoms represented by the Figure (a) and (b).

ICSE-CHEMICAL BONDING -QUESTION FOR PRACTICE ON EXAMINATION PATTERN
  1. What is the term defined below? A bond formed by a shared pair of e...

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  2. What are the terms defined in given below? A bond formed by a share...

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  3. What are the terms defined in below? A bond formed by complete trans...

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  4. What is the term defined below? A bond formed by a shared pair of e...

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  5. What are the terms defined in below? A bond in which the electron pa...

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  6. Answer question in one word or one sentence. Name the linkage that r...

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  7. Answer question in one word or one sentence. In which one of NH3 and...

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  8. Answer question in one word or one sentence. What is the nature of c...

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  9. Answer question in one word or one sentence. Which type of force is ...

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  10. Answer question in one word or one sentence. What is the number of v...

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  11. Fill in the blank by selecting a correct word given in the brackets. ...

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  12. Fill in the blank by selecting a correct word given in the brackets. ...

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  13. Fill in the blank by selecting a correct word given in the brackets. ...

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  14. In CaO , the valency of each atom is .(one/two/three)

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  15. MgCl2, is compound. (an electrovalent/a covalent)

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  16. In the formation of KCI, an electron is completely transferred from (K...

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  17. Fill in the blank by using correct word/term given in the bracket and ...

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  18. Fill in the blank by using correct word/term given in the bracket and ...

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  19. Match an item of column A with a correct item of column B. Answ...

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  20. Match an item of column A with a correct item of column B. Answ...

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