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Chemical elements

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

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

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