Name:_______________
Date:__________
__ 1. Give the symbol for the element which has an atomic weight (mass) of about 12.
__ 2. Give the symbol for the element which has an atomic number of 10.
__ 3. Give the symbol for the element which has 15 protons.
__ 4. Give the symbol for the element with one electron in its first energy level.
__ 5. Give the symbol for the element with three (3) electrons in its second shell.
__ 6. Give the symbol for the element having eleven (11) electrons.
__ 7. Give the symbol for the element with two (2) electrons in its third shell.
__ 8. Give the symbol for the element having an atomic weight (mass) of about 16.
__ 9. Give the symbol for a metal having one electron in its second shell.
__ 10. Give the group number for the gases which all have eight electrons in their outer shells.
__ 11. Give the group number for the liquid having seven (7) electrons in its outer shell.
__ 12. Give the symbol for the liquid metal.
__ 13. Give the symbol for the gas having six electrons in its outer energy level.
__ 14. Give the symbol for the only element with an atomic mass of less than four (4).
__ 15. Give the symbol for the element having no neutron.