Chapter 2: Atoms, Ions, and the Periodic Table

Atomic Number ____ Protons ____ Neutrons ____ Electrons ____ b. Carbon-14 Atomic Number ____ Protons ____ Neutrons ____ Electrons ____ 10. What is the difference between a group and a period on the Periodic Table. 11. Identify these elements: a. A very reactive metal with properties similar to magnesium and in the same . period as bromine. b. A ... ................
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