Project Work:
Prepare 20 cards with the name of the elements(1 to 20) written in
them. And 20 cards with their corresponding symbols.
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Answer:
Explanation:
1Hydrogen H
- 2Helium He
-3 Lithium Li
- 4 Beryllium Be
- 5 Boron B
- 6 Carbon C
- 7 Nitrogen N
- 8 Oxygen O
- 9 Fluorine F
- 10 Neon Ne
- 11 Sodium Na
- 12 Magnesium Mg
- 13 Aluminum Al
- 14 Silicon Si
15 Phosphorus P
16 Sulfur S
17 Chlorine Cl
18 Argon Ar
19 Potassium K
20 Calcium Ca
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