8.5 B & 8.5C Science

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Across
  1. 1. - subatomic particle with positive electricity found in all atomic nuclei
  2. 3. – amount of ability to do the work
  3. 4. - how likely an element is to form bonds with other elements
  4. 9. - characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed
  5. 11. – an electron in an atom’s outermost energy level
Down
  1. 1. - any property that is measurable; value describes a state of physical system; often referred to as observables
  2. 2. – chart that organizes elements according to properties
  3. 5. – electrons in the outer shell
  4. 6. - vertical columns of elements are called groups, or families
  5. 7. – a column in the periodic table
  6. 8. – number of protons in the nucleus of an atom
  7. 10. – a row in the periodic table
  8. 12. – a substance that cannot be broken down into simpler substances by ordinary chemical means