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7 August, 15:46

When Phillip analyzed an unknown substance X, he found that it contained only one kind of atom. Phillip was unable to convert the substance to a simpler one. What is substance X?

A.

a compound

B.

an element

C.

a heterogeneous mixture

D.

a homogeneous mixture

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Answers (1)
  1. 7 August, 17:06
    0
    Answer: -

    Substance X is a (B) Element.

    Explanation: -

    A compound consists of either many identical atoms or more than 1 type of atom. They can be broken down or converted into a simpler one.

    An element is a substance which contains only one kind of atom. It cannot be broken down further or converted into simpler substance by any chemical means.

    Heterogeneous mixture is a non uniform mixture of different atoms without any chemical bonding in between them.

    Homogeneous mixture is a uniform mixture of different atoms without any chemical bonding in between them.

    From the definitions it is clear that substance X is (B) Element.
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