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Yuliya22 [10]
3 years ago
8

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

Physics
1 answer:
stepan [7]3 years ago
5 0

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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Ms. Mary Mack walked around her block from her house for 200 meters. She arrived back at her house in 15 minutes. What was her d
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d = 0 [m].

Explanation:

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3 years ago
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