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Molecules And B...

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  • Question 1
    1 / -0

    How many valence electrons are there in a carbon atom?

  • Question 2
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    Which of the following element possess 7 electrons in its outermost shell?

  • Question 3
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    Whenever a chemical bond is formed, there is

  • Question 4
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    How many covalent bonds are present in an ammonia molecule?

  • Question 5
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    Which of the following options consists of a single covalent bond?

  • Question 6
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    Which of the following molecules possesses trivalent bond?

  • Question 7
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    How many unshared pairs of electrons are present in a nitrogen atom in a molecule of ammonia?

  • Question 8
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    Which of the following compounds is not a hydrocarbon?

  • Question 9
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    How many double bonds are present in the structure of a molecule of water?

  • Question 10
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    How many double bonds are present in a compound with chemical formula C2H4?

  • Question 11
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    How many single bonds are present in a compound with formula C2H4?

  • Question 12
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    How are covalent compounds formed?

  • Question 13
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    Which of the following compounds of carbon does not consist of ions?

  • Question 14
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    Isotopes of an element differ in the number of

  • Question 15
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    Tritium is the isotope of H with number of neutrons, electrons and protons respectively

  • Question 16
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    Charge on phosphate ion is

  • Question 17
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    Which of the following is a molecule of an element?

  • Question 18
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    Which of the following is a binary compound?

  • Question 19
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    Which of the following statements is not always true with regard to a molecule?

  • Question 20
    1 / -0

    Which of the following substances is a compound?

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