Periodic Table Revision Quiz

12345678910
Across
  1. 1. Which scientist failed to leave gaps in the periodic table?
  2. 4. In the definition of first ionisation energy how many atoms are losing one electron?
  3. 5. What happens to the melting and boiling points of elements as we move from group 4 to 5
  4. 8. In a giant metallic structure what do we describe the electrons as?
  5. 9. What chemical is used to test for the presence of a halide ion?
  6. 10. Which ion is test for using barium chloride?
Down
  1. 2. This factor decreases across a period due to electrons being added to the same shell whilst the nuclear charge increases.
  2. 3. What state of matter must atoms be in to undergo ionisation?
  3. 6. What is the attraction between positive ions and negative charged electrons known as?
  4. 7. Who is known as the father of the modern day periodic table?