Using the periodic table entry below, match the phrases with their corresponding values.
1. number of protons
8
2. atomic mass
19
3. number of electrons in the n = 1 shell
2
4. number of electrons in the n = 3 shell
20
5. number of neutrons
39
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Home » Chemistry » Using the periodic table entry below, match the phrases with their corresponding values. 1. number of protons 8 2. atomic mass 19 3. number of electrons in the n = 1 shell 2 4. number of electrons in the n = 3 shell 20 5. number of neutrons 39