Periodic Table Vocabulary

1234567891011121314151617
Across
  1. 3. the basic unit of a chemical element
  2. 4. the ability of a material to allow heat, electricity, or sound to pass through it
  3. 10. the center of the atom. Contains the majority of the atom’s mass
  4. 13. negatively-charged particles that surround the nucleus
  5. 14. the point at which materials changes from a solid to a liquid
  6. 15. a material that, when polished or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well
  7. 16. positively-charged particles that exist in the nucleus of an atom
  8. 17. the property of a liquid that describes how fast or slowly it will flow
Down
  1. 1. states the number of protons (or electrons) in each atom
  2. 2. a group of elements that are similar in chemical properties
  3. 5. the ability to dissolve into (become a part of) another substance
  4. 6. a simple substance that cannot be broken down into smaller parts or changed into another substance
  5. 7. states the number of protons plus neutrons in each atom
  6. 8. a column of chemical elements
  7. 9. a chemical element that mostly lacks distinctive metallic properties
  8. 10. neutral particles that exist in the nucleus of an atom
  9. 11. a chemical element which has properties in between, or that are a mixture of, those of metals and nonmetals
  10. 12. a property of elements meaning that they can be hammered into sheets or different shapes
  11. 16. a row of chemical elements