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S8P1.f
Recognize that there are more than 100 elements & some have similar properties
Term | Definition |
---|---|
periodic table | a diagram of all of the periodic elements |
period | a horizontal row of elements on a periodic table |
group | a vertical row of elements o a periodic table |
valence electrons | an electron that is found on the outer layer of electrons in an atom |
reactivity | describing the reaction of something |
metalloid | elements that are like non-metals and metals |
inert | a non moving atom |