hw3 - and 7 neutrons atom 3 has 8 protons and neutrons...

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Homework 3 – due by September 21 1. [5 pts] [Chapter 5, question 39] Atomic Terminology Practice I . a. The most common form of iron has 26 protons and 30 neutrons in its nucleus. State its atomic number, atomic mass number, and number of electrons if it is electrically neutral. b. Consider the following three atoms: atom 1 has 7 protons and 8 neutrons; atom 2 has 8 protons
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Unformatted text preview: and 7 neutrons; atom 3 has 8 protons and neutrons. Which two are isotopes of the same element? c. Oxygen has atomic number 8. How many times must an oxygen atom be ionized to create an O +5 ion? How many electrons are in an O +5 ion? 2. [5 pts] [Chapter 5, question 42] Energy Level Transitions . See textbook for details....
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