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irina1246 [14]
2 years ago
15

Neon has 2 isotopes. Neon-20 has a mass of 19:992 amu and

Chemistry
1 answer:
Alenkinab [10]2 years ago
6 0

Answer:

20.0928.

Explanation:

The average atomic mass is (90 * 19.992 + 10* 21) / 100

= 20.0928.

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