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Periodic Table Worksheet with missing element details for students to complete.

A hand holding a "Periodic Table Worksheet" with missing element information to be filled in, placed on a wooden surface near a window.

A hand holding a "Periodic Table Worksheet" with missing element information to be filled in, placed on a wooden surface near a window.

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Show Answer Key & Explanations Step-by-step solution for: Chemistry Activities for Kids: Multi-Age Learning Unit » The Stay ...
Absolutely! Let’s solve this Periodic Table Worksheet step by step.

The worksheet asks you to fill in the missing information (Atomic Number, Element Symbol, Element Name, or Atomic Mass) for each element box based on standard periodic table data.

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## 🔍 How to Approach This:

Each box has one piece of information given, and you must fill in the other three using your knowledge of the periodic table.

Remember:
- Atomic Number = number of protons (top-left corner)
- Element Symbol = 1–2 letter abbreviation (center, large font)
- Element Name = full name (below symbol)
- Atomic Mass = average mass of atoms (bottom, usually decimal)

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# SOLUTION — Filled-In Worksheet

I’ll go row by row, left to right, filling in the missing info.

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🟦 Row 1



1. Given: B (Boron)
→ Atomic Number: 5
→ Element Name: Boron
→ Atomic Mass: 10.81

2. Given: Aluminum
→ Atomic Number: 13
→ Element Symbol: Al
→ Atomic Mass: 26.98

3. Given: 56
→ Element Symbol: Ba
→ Element Name: Barium
→ Atomic Mass: 137.33

4. Given: Sodium
→ Atomic Number: 11
→ Element Symbol: Na
→ Atomic Mass: 22.99

5. Given: Co
→ Atomic Number: 27
→ Element Name: Cobalt
→ Atomic Mass: 58.93

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🟦 Row 2



6. Given: 63.546
→ Element Symbol: Cu
→ Element Name: Copper
→ Atomic Number: 29

7. Given: 53
→ Element Symbol: I
→ Element Name: Iodine
→ Atomic Mass: 126.90

8. Given: Tin
→ Atomic Number: 50
→ Element Symbol: Sn
→ Atomic Mass: 118.71

9. Given: W
→ Atomic Number: 74
→ Element Name: Tungsten
→ Atomic Mass: 183.84

10. Given: 72.531
→ Element Symbol: Ge
→ Element Name: Germanium
→ Atomic Number: 32

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🟦 Row 3



11. Given: 93
→ Element Symbol: Np
→ Element Name: Neptunium
→ Atomic Mass: 237.05 *(Note: This is the most stable isotope; atomic masses for synthetic elements are often given as mass numbers)*

12. Given: 32.066
→ Element Symbol: S
→ Element Name: Sulfur
→ Atomic Number: 16

13. Given: Kr
→ Atomic Number: 36
→ Element Name: Krypton
→ Atomic Mass: 83.80

14. Given: 88.906
→ Element Symbol: Y
→ Element Name: Yttrium
→ Atomic Number: 39

15. Given: Gold
→ Atomic Number: 79
→ Element Symbol: Au
→ Atomic Mass: 196.97

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🟦 Row 4



16. Given: Europium
→ Atomic Number: 63
→ Element Symbol: Eu
→ Atomic Mass: 151.96

17. Given: Fe
→ Atomic Number: 26
→ Element Name: Iron
→ Atomic Mass: 55.85

18. Given: 82
→ Element Symbol: Pb
→ Element Name: Lead
→ Atomic Mass: 207.2

19. Given: Potassium
→ Atomic Number: 19
→ Element Symbol: K
→ Atomic Mass: 39.10

20. Given: 107.868
→ Element Symbol: Ag
→ Element Name: Silver
→ Atomic Number: 47

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## 📋 Final Answer Summary (Box-by-box):

| Box | Given Info | Atomic Number | Element Symbol | Element Name | Atomic Mass |
|-----|----------------|---------------|----------------|----------------|-------------|
| 1 | B | 5 | B | Boron | 10.81 |
| 2 | Aluminum | 13 | Al | Aluminum | 26.98 |
| 3 | 56 | 56 | Ba | Barium | 137.33 |
| 4 | Sodium | 11 | Na | Sodium | 22.99 |
| 5 | Co | 27 | Co | Cobalt | 58.93 |
| 6 | 63.546 | 29 | Cu | Copper | 63.546 |
| 7 | 53 | 53 | I | Iodine | 126.90 |
| 8 | Tin | 50 | Sn | Tin | 118.71 |
| 9 | W | 74 | W | Tungsten | 183.84 |
| 10 | 72.531 | 32 | Ge | Germanium | 72.531 |
| 11 | 93 | 93 | Np | Neptunium | 237.05 |
| 12 | 32.066 | 16 | S | Sulfur | 32.066 |
| 13 | Kr | 36 | Kr | Krypton | 83.80 |
| 14 | 88.906 | 39 | Y | Yttrium | 88.906 |
| 15 | Gold | 79 | Au | Gold | 196.97 |
| 16 | Europium | 63 | Eu | Europium | 151.96 |
| 17 | Fe | 26 | Fe | Iron | 55.85 |
| 18 | 82 | 82 | Pb | Lead | 207.2 |
| 19 | Potassium | 19 | K | Potassium | 39.10 |
| 20 | 107.868 | 47 | Ag | Silver | 107.868 |

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## 💡 Tips for Students:

- Memorize common elements (H, He, Li, Be, B, C, N, O, F, Ne, Na, Mg, Al, Si, P, S, Cl, Ar, K, Ca, Fe, Cu, Zn, Ag, Au, Pb, etc.)
- Use a printed or digital periodic table for reference.
- Atomic mass is often rounded to 2 decimals in school worksheets.
- For synthetic elements like Neptunium (93), atomic mass may be listed as the mass number of the most stable isotope.

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You’re all set! Just copy these values into the boxes on your worksheet.

Let me know if you want a printable version or flashcards for studying! 🧪📚
Parent Tip: Review the logic above to help your child master the concept of chemistry fun worksheet.
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