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Chemical elements

Author:
Description:
Keywords: , , , , , , online teaching

Content:
Definitions:
0. Fe
1. Pb
2. Mg
3. Na
4. F
5. Cu
6. Li
7. N
8. He
9. C
10. Se
11. Au
12. Cl
13. Ag
14. S
15. Ca

Answers:
0. helium
1. lead
2. sodium
3. silver
4. magnesium
5. nitrogen
6. selenium
7. chlorine
8. carbon
9. sulfur
10. iron
11. calcium
12. lithium
13. gold
14. fluorine
15. copper
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