Metals, Nonmetals and Metalloids

c R. (United States of America)
13 words 68 learners

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Full list of words from this list:

words only definitions & notes
  1. element
    a substance that cannot be separated into simpler substances
    More than 96 percent of the mass of your body comes from just four elements.
  2. compound
    a substance formed by chemical union of two or more elements
    These six elements ( oxygen, carbon, hydrogen, nitrogen, phosphorus, and sulfur) form the compounds in proteins, fats, nucleic acids, and other large molecules in your body.
  3. luster
    the property of something that shines with reflected light
    Recall that metals have luster.
  4. ductile
    capable of being shaped or bent or drawn out
    They are ductile, malleable, and good conductors of electricity and thermal energy.
  5. malleable
    capable of being shaped or bent
    They are ductile, malleable, and good conductors of electricity and thermal energy.
  6. conductor
    a device designed to transmit electricity or heat
    They are ductile, malleable, and good conductors of electricity and thermal energy.
  7. periodic table
    arrangement of chemical elements according to atomic number
    The pair started out making videos about each of the 118 elements in the Periodic Table.
  8. chemical
    produced by reactions involving atomic or molecular changes
    The chemical properties of the elements in each group are similar.
  9. physical
    involving the body as distinguished from the mind or spirit
    However, the physical properties of the elements can be different.
  10. element
    a substance that cannot be separated into simpler substances
    An element in group 17 of the periodic table is called a halogen (HA luh jun).
  11. react
    show a response to something
    Halogens can react with a metal and form a salt.
  12. noble
    inert especially toward oxygen
    Group 18: The Noble Gases
  13. laboratory
    a workplace for the conduct of scientific research
    Unlike the halogens, the only way noble gases react with other elements is under special conditions in a laboratory.
Created on Mon Jun 24 09:36:49 EDT 2013 (updated Mon Jun 24 09:55:03 EDT 2013)

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