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Recognize that there are more than just 100 elements and some have similar ...
| Question | Answer |
|---|---|
| Periodic table | A table that shows some of what is the main elements that scientist use. |
| Period | The rows on the periodic table of elements that say period 1, 2, and e.t.c... |
| Group | A vertical column of elements on the periodic table of elements; elements in the group share chemical properties |
| Valence electrons | The electrons around the last ring of the lewis diagram. |
| Reactivity | The reaction of a atom, molecule, or a compound. |
| Metalloid | an element that has both metallic and nonmetallic properties. |
| Inert | Having little ability to react to chemical changes. |