These exercises are not divided by category,
Chapter 1, Problem 86AE(choose chapter or problem)
Problem 86AE
These exercises are not divided by category, although they are roughly in the order of the topics in the chapter. They are not paired.
Identify the element represented by each of the following symbols and give the number of protons and neutrons in each: (a) 74 33X, (b) 127 53 X, (c) 152 63 X, (d) 209 83 X.
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