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Chemical elements

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

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

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