Periodic Table and Ionic Bonding

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Across
  1. 2. Group 1A is also called __________.
  2. 5. Group 7A is also called _____________.
  3. 8. When an atom loses or gains (an) electron(s) it becomes an ____________
  4. 10. This person is credited with organizing the modern periodic table.
  5. 12. When an atom becomes negatively charged by gaining (an) electron(s) it is called an ___________
  6. 14. The octet rule states that elements will react to reach an outer shell of ___________ electrons, whether gaining or losing electrons.
  7. 16. Ionically bonded elements that create ionic compounds do so by _________ electrons.
  8. 18. Group 8A is also called _____________.
  9. 19. When an atom becomes positively charged by losing (an) electron(s) it is called a _____________
  10. 21. Metals are located on the ______________ side of the periodic table.
  11. 22. In addition to organizing the elements in increasing atomic mass, Mendeleev grouped elements with the same ____________ in the same columns.
  12. 25. Valance electrons are only the electrons found in the ___________ energy shell.
  13. 26. The whole number that represents an element on the periodic table is the atomic number and represents the number of ____________.
  14. 27. Mendeleev’s periodic table of elements contained __________ the were later filled be discovered elements that fit is predictions
  15. 29. the ______________ periodic table are called periods.
Down
  1. 1. Nonmetals are located on the ___________ side of the periodic table.
  2. 3. Group 2A is also called ___________.
  3. 4. Elements in group 3A will bond ionically by creating an ion with a _________ plus charge.
  4. 6. Elements in group 5A will _________ three electrons when they bond ionically.
  5. 7. Elements in group 2A will _________ two electrons when they bond ionically.
  6. 9. elements that do not react because their outer electron shell is already filled with 8 electrons are said to have a _______________ electron configuration.
  7. 10. Dmitri Mendeleev first organized the elements in order of their ____________.
  8. 11. When Mendeleev grouped elements in columns by their properties, how they reacted with oxygen and hydrogen, it turns out that those same elements share the same number of ____________ electrons.
  9. 13. _____________ energy is the energy needed to remove an electron from an atom.
  10. 15. The rows of the periodic table are called ______________.
  11. 17. A ____________ is a time span or group of things that repeats its pattern, like the elements in the periodic table.
  12. 20. The decimal number that represents an element on the periodic table is the atomic mass and is a weighted average of all the elements ___________.
  13. 23. Elements in group 6A will bond ionically by creating an ion with a _________ minus charge.
  14. 24. Elements that do not react, or rarely react are located in group ___________ A.
  15. 28. Elements in the same _________ will contain the same number of energy levels (shells)