Chapter 12 Worksheet

C. Determining subatomic particles in elements (GENERIC) 1. Element symbol (X)(one/two/three letter symbol for element . 2. Atomic number (Z)( number of protons found in the element ... -all are found in Earth’s atmosphere. Rare-Earth Elements-Lanthanoid- make alloys (mixture of metals) & high quality glass ... 4. Reactivity-elements combine ... ................
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