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Chemical elements

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

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

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