PERIODIC TABLE

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Across
  1. 2. WHAT IS THE HEAVIEST ELEMENT WITH A SINGLE LETTER SYMBOL?
  2. 6. ON MOVING DOWN THE GROUPS THE ATOMIC SIZE _________.
  3. 7. WHAT IS THE THIRD ROW ELEMENT THAT HAS 4 VALENCE ELECTRON?
  4. 9. THE ELEMENTS THAT RESEMBLE BOTH METALS AND NON METTALS ARE CALLED __________.
  5. 14. there ARE SIX PERIODS IN THE PERIODIC TABLE OF _________.
  6. 16. WHICH GROUP ON THE PERIODIC TABLE CONTAINS ELEMENT THAT ARE KNOWN FOR THEIR REACTIVITY WITH WATER?
  7. 17. WHICH METAL HAS A GREATER TENDECY FOR OXIDATION ZINC OR COPPER?
  8. 18. HOW MANY ELEMENT ARE NONMETALS?
  9. 19. WHAT IS THE 6TH PERIOD ELEMENT THAT HAS 3 UMPAIRED ELECTRON?
  10. 20. WHICH HAS MORE ELECTRON SHELLS: OXYGEN OR SULFUR?
Down
  1. 1. 2, 8, 8, 2 IS THE ELECTRONIC CONFIGURATION OF _______.
  2. 3. ELEMENT THAT HAVE SIMILAR PROPERTIES WILL HAVE THE SAME __________ ON THE PERIODIC TABLE.
  3. 4. WHAT ELEMENT HAS 4 ELECTRON SHELLS?
  4. 5. THE COMBINING CAPACITY OF THE ELEMENTS IS CALLED ITS _______.
  5. 8. . ______ ELEMENT OF 3RD PERIOD WILL HAVE LARGEST ATOMIC RADIUS.
  6. 10. F, CL AND BR ALL HAVE _____ VALENCE ELECTRON.
  7. 11. _________ IS LEAST REACTIVE ELEMENT IN 3RD PLACE
  8. 12. . _____ FAMILY ELEMENTS ARE PRESENT IN THE 13 GROUP OF MODERN PERIODIC TABLE.
  9. 13. ________ IS THE MOST REACTIVE ELEMENT IN GROUP 7.
  10. 15. WHICH OF THE FOLLOWING ATOMS IS THE LARGEST?