General chemistry 1

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Across
  1. 1. Elements in the same ______ of the periodic table have similar chemical properties.
  2. 4. _______has the highest metallic character of alkaline earth metals.
  3. 5. Halogen that is smaller than iodine.
  4. 9. Elements in d-block of the periodic table of elements are called ______ metals.
  5. 10. The _________ indicates the tendency of an atom to attract electrons towards itself.
  6. 13. The same elements with different number of neutrons are called________.
  7. 15. Element with electron configuration [Ar]4s1 3d10
Down
  1. 2. Substances have only paired electrons are called________.
  2. 3. Chemical bond occurs by sharing of electrons is called________ bond.
  3. 6. The solubility of an ionic compound is related to its ________energy.
  4. 7. The scientist who suggested the atomic model with energy levels.
  5. 8. The elements in group 1A are called ______ metals.
  6. 11. The shape of xenon difluoride molecule is ______.
  7. 12. The scientist who is famous for discovery of electrons.
  8. 14. The identity of an atom is defined by the number of _______ in the nucleus.