135 Nd++e Express your answer in isotopic notation. ΑΣΦ 135 60 135 Nd→> Pr + e 59 +1 A chemical reaction does not occur for this question. Submit Previous Answers Request Answer Part D PWC X Incorrect; Try Again; 6 attempts remaining ? 218 2 At +He 85 Express your answer in isotopic notation. ΑΣΦ B ? 218 85 At 2 Bi+2 214 83 A chemical reaction does not occur for this question. ubmit Previous Answers Request Answer

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.