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Chemical elements

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

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

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