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If the atomic number of element X is 7, ...

If the atomic number of element X is 7, the best electron dot symbol for the element is _________.

A

X

B

`.X.`

C

`cdot underset(cdot)overset(cdot)X:`

D

`: underset(ddot)overset(ddot)X:`

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • What is the atomic number of the element with symbol Uus ?

    A
    117
    B
    116
    C
    115
    D
    114

  • The atomic number of an element X is 19. The number of electrons in its ion X^(+) will be

    A
    18
    B
    19
    C
    20
    D
    21

  • The atomic number of an element X is 19. The number of electrons in its ion X^(+) will be

    A
    `18`
    B
    `19`
    C
    `20`
    D
    `21`
    • TARGET PUBLICATION-NATURE OF CHEMICAL BOND-Competitive Thinking
    1. If the atomic number of element X is 7, the best electron dot symbol f...

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    2. Ionic bonds are usually formed by combination of elements with .

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    3. Bond formed in crystal by anion and cation is .

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    4. What is the effect of more electronegative atoms on the strength of an...

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    5. An element X with the electronic configuration 1s^(2) 2s^(2) 2p^(6) 3s...

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    6. Which of the following compounds is covalent?

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    7. The number of electrons involved in the bond formation of N(2) molecul...

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    8. Number of electrons in the valence orbit of nitrogen in an ammonia mol...

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    9. Write the product obtained on action of oxygen on diborane ?

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    10. The molecule having one unpaired electron is

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    11. Which of the following bonds require the largest amount of bond energy...

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    12. The bond order in NO is 2.5 while that in NO^+ is 3. Which of the foll...

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    13. Resonance occurs due to the :

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    14. The unequal sharing of bonded pair of electrons between two atoms in a...

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    15. Pauling's electronegativity values for elements are useful in predicti...

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    16. Bond polarity of diatomic molecule is because of .

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    17. In a polar molecule , the ionic charge is 4.8 xx 10^(-10) esu. If the ...

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    18. The dipole moment of BF(3) is zero because .

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    19. Carbon tetrachloride has no net dipole moment because of

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    20. Identify the non-polar molecule in the set of compounds given HCl, HF,...

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