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Chemical elements

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

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

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