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Chemical elements

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

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

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