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Atoms and Molec...

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  • Question 1
    1 / -0

    Which representation is correct for the compound formed by the combination of calcium and oxygen?

  • Question 2
    1 / -0

    Use the following information to answer the next question.

    Silver nitrate solution, when treated with NaCl, produces a precipitate of silver chloride. The amount of reactants and products is shown in the reaction given below. The reaction strictly obeys the law of conservation of mass

    Ag NO3 + NaCl → AgCl + NaNO3

    X g 5.85 g 14.35 g 8.5 g

    The amount of AgNO3 (X) used during the reaction is equal to

  • Question 3
    1 / -0

    The chemical formula of carbon dioxide is represented as

  • Question 4
    1 / -0

    According to John Dalton, the tiny particles that constitutes matter are called

  • Question 5
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    Which chemical formula correctly represents the compound that has one nitrogen atom and three hydrogen atoms?

  • Question 6
    1 / -0

    Use the following information to answer the next question.

    An anion has _____i_____ electrons in its shell than the number of protons in its nuclei, whereas a cation has ______ii_____ protons in its nuclei than the number of electrons in its shell.

    The information in which alternative completes the given statement?

  • Question 7
    1 / -0

    A polyatomic sulphur molecule has

  • Question 8
    1 / -0

    Which chemical formula correctly represents the compound having two hydrogen atoms, one carbon atom, and three oxygen atoms?

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