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S8P1.f
Recognize there are more than 100 elements on the Period Table with similar pro.
Term | Definition |
---|---|
periodic table | a chart that organizes information about all known elements according to their properties |
period | in chemistry, a horizontal row of elements in the periodic table |
group | a vertical column of elements in the periodic table |
valence electrons | an electron found in the outer most shell of the atom and determines its chemical properties |
reactivity | describes how likely an element is to form bonds with other elements |
metalloid | elements with properties of metals and nonmetals |
inert | unable to react chemically under normal circumstances |