needed in a few hours

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CHAPTER 21

2.Write the following isotopes in nuclide notation (e.g., “14 C”)

(A) OXYGEN-14

(B)COPPER-70

© TANTALUM-175

(D) FRANCIUM-217

10.Which of the following nuclei lie within the band of stability shown in Figure 21.2? (a) argon-40 (b) oxygen-16 (c) 122Ba

(d) 58Ni (e) 205Tl

(f) 210Tl (g) 226Ra

(h) magnesium-24

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