desnicolem28 desnicolem28

13-12-2018
Chemistry

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which class of elements include all of the elements that are gases at room temperature

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lynnessagarcia lynnessagarcia

13-12-2018

The nonmetals are divided into two categories: reactive nonmetals and noble gases. Noble gases are in group 18: helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe) and radon (Rn). hope this helps

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