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