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15-08-2018
Chemistry

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What class of elements includes all of the elements that are gases at room temperature?

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15-08-2018

Elemental hydrogen (H, element 1), nitrogen (N, element 7), oxygen (O, element 8), fluorine (F, element 9), and chlorine (Cl, element 17) are all gases at room temperature, and are found as diatomic molecules (H2, N2, O2, F2, Cl2).

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