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05-11-2020
Physics

contestada

Which of the following is a Nobel gas?
Ba2+
OA
OB. Ci
Kr
Ос.
Ca
D.

Respuesta :

06-11-2020

Answer:

Kr

Explanation:

the element that is in group 18 is noble gasses. the elements are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og).

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