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26 March, 01:13

Classify these substances? More than one answer may apply in each case.

N 2 solution heterogeneous mixture homogeneous mixture element compound pure substance

O 2 pure substance homogeneous mixture solution heterogeneous mixture element compound

N 2 O compound heterogeneous mixture element homogeneous mixture solution pure substance Air

(mostly N 2 and O 2)

homogeneous mixture heterogeneous mixture solution pure substance element compound

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Answers (1)
  1. 26 March, 01:37
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    N2 element, pure substance

    O2 element, pure substance

    N2O Compound, pure substance

    Air (mostly N2 and O2) homogeneous mixture

    Explanation:

    N2, Nitrogen is known as the chemical element that is characterized by having atomic number 7 and that is symbolized by the letter N, in its molecular version, it is recognized as N2.

    O2, Oxygen is the chemical element of atomic number 8, this molecular form is composed of two atoms of this element.

    A chemical element is a type of matter, consisting of atoms of the same class.

    N2O, Nitrous oxide is formed by the union of two molecules of nitrogen and one of oxygen, which is considered a chemical compound since it is a substance formed by the chemical combination of two different elements of the periodic table.

    A pure substance is one that cannot change state or divide into other substances, except for a chemical reaction.

    Air (mostly N2 and O2), it is a homogeneous mixture of gases that constitutes the earth's atmosphere. A homogeneous mixture is a type of mixture in which its components are not distinguished and in which the composition is uniform and each part of the solution has the same properties.
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