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The following diagram is a representation of 20 atoms of a fictitious element, which we will call nevadium (Nv) The red spheres are 293 Nv, and the blue spheres are295 Nv.

(a) Assuming that this sample is a statistically representative sample of the element, calculate the percent abundance of each element .

(b) If the mass of293 Nv is 293.15 amu and that of 295 Nv is 295.15 amu, what is the atomic weight of Nv? [Section 2.4]

2080_5376f572-4b90-4fa2-abd9-6e928595b238.png

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