The red arrow in this graph indicates the changes that occur in the nucleus of an atom during a nuclear reaction. (Figure 1) Figure Neutrons 72 70 48 49 Atomic Number 50 1 of 1 Part A Identify the isotope involved as product. Express your answer as an isotope. x" Submit Part B ΑΣΦ a Xh b 5 X X 120 49 A chemical reaction does not occur for this question. You have already submitted this answer. Enter a new answer. No credit lost. Try again. X 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.