PERIODIC TABLE AND VALENCE ELECTRONS WORKSHEET
PERIODIC TABLE AND VALENCE ELECTRONS WORKSHEET
NAME_____________________ DATE______________
1. For each of the following elements, write the symbol and state whether the element is a METAL, NONMETAL, or METALLOID:
|name |symbol |Type of element |
|Oxygen | | |
|Sodium | | |
|Silver | | |
|Chlorine | | |
|Aluminum | | |
|Silicon | | |
|Lead | | |
|Antimony | | |
2. To which family does each of the following elements belong?
|name |symbol |family |
|Rubidium | | |
|Bromine | | |
|Strontium | | |
|Iron | | |
|Krypton | | |
|Uranium | | |
3. For each of the following elements, write the LEWIS DOT SYMBOL:
|Name |Lewis dot symbol | |Name |Lewis dot symbol |
|Carbon | | |Hydrogen | |
| | | | | |
|Potassium | | |Barium | |
| | | | | |
|Nitrogen | | |Aluminum | |
| | | | | |
|Argon | | |Selenium | |
| | | | | |
|Tin | | |Helium | |
| | | | | |
4. Write the Lewis dot symbol for each of the following IONS:
(remember: positive ions have NO dots, and negative ions have 8)
iodide ion phosphide ion
calcium ion lithium ion
gallium ion sulfide ion
5. Which element:
a. puts 7 valence electrons into to 3rd energy level (ring) _____________
b. puts 1 valence electrons into to 4th energy level (ring) _____________
c. puts 3 valence electrons into to 5th energy level (ring) _____________
d. is a period 3 alkaline earth metal _____________
e. is a period 4 halogen _____________
f. fills the 6th ring _____________
g. half-fills the 1st ring _____________
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