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S8P1.f
| Term | Definition |
|---|---|
| periodic table | a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure |
| period | belonging to or characteristic of a past historical time, especially in style or design. |
| group | a number of people or things that are located close together or are considered or classed together |
| valence electrons | the combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with. |
| reactivity | he state or power of being reactive or the degree to which a thing is reactive. |
| metalloid | an element whose properties are intermediate between those of metals and solid nonmetals. |
| inert | lacking the ability or strength to move. |