Chapter 3 and 6 Vocabulary

  1. anything that has mass and takes up space
    matter
  2. defined as a small particle that makes up most types of matter
    atom
  3. the law that states that matter cannot be created or destroyed, only transformed
    Law of conservation of matter
  4. invisible, negativley charged particle
    electrons
  5. postivley charged central part of an atom
    nucleus
  6. positvley charged particles in the nucleus
    protons
  7. uncharged particles in atoms
    neutrons
  8. matter mad of only one kind of atom
    element
  9. the number that tells the number of protons in the nucleus of each atom of that element.
    atomic number
  10. atoms of the same element that have different numbers of neutrons
    isotopes
  11. the number of protons plus the number of protons plus the number of neutrons an atom contains
    mass number
  12. the weighted average mass of the isotopes of an element
    atomic mass
  13. things that have a shiny or metallic luster and are good conductors of heat and electricity
    metals
  14. elements that are usually dull in appearance. Mostly poor conductors of heat and electricity
    nonmetals
  15. elements that have characteristics of metals and nonmetals.
    Metalloids
  16. matter that has the same composition and properties throughout
    substance
  17. a substanc whose smallest unit is made up of atoms of more than one element bonded together
    compound
  18. when two or more substances come together but don't combine or make a new substance
    mixture
  19. the atom's electrons travel in an area of space around the nucleus
    electron cloud
  20. the different areas for an electron in an atom
    energy levels
  21. the symbol for the element surrounded by as many dots as there are electrons in its outer energy level
    electron dot diagram
  22. the force that holds two atoms together
    chemical bond
  23. an atom that is no longer neutral becasue it has lost or gained an electron
    ion
  24. the attraction that holds the ions close together and is a chemical bond
    ionic bond
  25. a pure substance containing two or more elements that are chemically bonded
    compound
Author
adamah115
ID
135256
Card Set
Chapter 3 and 6 Vocabulary
Description
I thought I already said...
Updated