Unit 4: Periodic Table and Trends Vocab

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  1. Family of elements that are less reactive and used to make lighter building materials, also in the medical uses and are also found in the skeleton of animals
    Alkaline Earth Metals
  2. The effect of the inner energy level electrons have on the attractive force the nucleus has for outer energy level electrons
  3. Class of elements that are typically silvery, shiny, malleable, ductile, and good conductors of heat and electricity
  4. Family of elements that are the most reactive metals and are soft enough to cut with a butter knife
    Alkali Metals
  5. Half the distance between nuclei of atoms of the same element bonded together; the size of an atom
    Atomic Radius
  6. Negative Ion
  7. States that the properties of the elements repeat periodically when placed in order by atomic number
    Periodic Law
  8. The attractive force an atom has for a shared pair of electrons in a bond
  9. The size of an ion. Negative ions are larger and positive ions are smaller than their corresponding neutral atom
    Ionic Radius
  10. Family of elements that are very hard to find, or have very short half lives. Many are radioactive and are used in the production of items like cellphone batteries
    Rare Earth Metals
  11. Family of elements that have properties of both metals and nonmetals and are used for computer circuits
  12. The amount of energy required to remove an electron from an atom
    Ionization Energy
  13. Another term used for a row going left to right across the periodic table
  14. Family of elements that are very stable and do not react with other elements
    Noble Gasses
  15. Group of elements that share similar properties and characteristics, usually a column on the periodic table
  16. Term used for a row of elements that share common characteristics
  17. Large family of elements that are your typical metals. Used for building materials, currency, jewelry, and many other uses
    Transition Metals
  18. Positive Ion
  19. Family of elements that contain 3 states of matter at room temp. Used in many cleaning solutions, as well as lighting devices
  20. Charged particles caused when an atom gains or loses electrons
  21. Class of elements that are typically dull, brittle, good insulators of heat of electrical current
  22. Outermost energy level s and p orbital electrons in an atom
    Valence Electrons
  23. Another term for a column on the periodic table. Often used when no special name exists. Ex: Halogen Family vs. CarbonĀ Group
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Unit 4: Periodic Table and Trends Vocab
Chemistry Vocab
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