Educational Periodic Table Worksheet for students to complete missing element information.

Certainly! Let’s solve this Periodic Table Worksheet step by step.

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## 📌 Understanding the Layout

Each box represents an element and contains three pieces of information:
- Atomic Number (top-left)
- Element Symbol (center, large letter(s))
- Atomic Mass (bottom)

Sometimes one or two are missing — your job is to fill in the blanks using a standard periodic table.

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We’ll go row by row, box by box, and fill in the missing info.

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## 🔢 ROW 1:

Box 1: Symbol = B

- Symbol: B → Boron
- Atomic Number: 5
- Atomic Mass: 10.81

✔ Fill in:
Top-left: `5`
Bottom: `10.81`

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Box 2: Name = Aluminum

- Name: Aluminum → Symbol: Al
- Atomic Number: 13
- Atomic Mass: 26.98

✔ Fill in:
Top-left: `13`
Center: `Al`
Bottom: `26.98`

*(Note: The worksheet shows “Aluminum” already — so we’re filling in symbol and atomic number/mass)*

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Box 3: Atomic Number = 56

- Atomic Number: 56 → Barium (Ba)
- Atomic Mass: 137.33

✔ Fill in:
Center: `Ba`
Bottom: `137.33`

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Box 4: Name = Sodium

- Name: Sodium → Symbol: Na
- Atomic Number: 11
- Atomic Mass: 22.99

✔ Fill in:
Top-left: `11`
Center: `Na`
Bottom: `22.99`

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Box 5: Symbol = Co

- Symbol: Co → Cobalt
- Atomic Number: 27
- Atomic Mass: 58.93

✔ Fill in:
Top-left: `27`
Bottom: `58.93`

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## 🔢 ROW 2:

Box 1: Atomic Mass = 63.546

- Atomic Mass: 63.546 → Copper (Cu)
- Atomic Number: 29
- Symbol: Cu

✔ Fill in:
Top-left: `29`
Center: `Cu`

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Box 2: Atomic Number = 53

- Atomic Number: 53 → Iodine (I)
- Atomic Mass: 126.90
- Symbol: I

✔ Fill in:
Center: `I`
Bottom: `126.90`

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Box 3: Name = Tin

- Name: Tin → Symbol: Sn
- Atomic Number: 50
- Atomic Mass: 118.71

✔ Fill in:
Top-left: `50`
Center: `Sn`
Bottom: `118.71`

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Box 4: Symbol = W

- Symbol: W → Tungsten
- Atomic Number: 74
- Atomic Mass: 183.84

✔ Fill in:
Top-left: `74`
Bottom: `183.84`

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Box 5: Atomic Mass = 72.631

- Atomic Mass: 72.631 → Germanium (Ge)
- Atomic Number: 32
- Symbol: Ge

✔ Fill in:
Top-left: `32`
Center: `Ge`

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## 🔢 ROW 3:

Box 1: Atomic Number = 93

- Atomic Number: 93 → Neptunium (Np)
- Atomic Mass: 237.05 (approx — often listed as [237] for radioactive elements)
- Symbol: Np

✔ Fill in:
Center: `Np`
Bottom: `237.05`

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Box 2: Atomic Mass = 32.066

- Atomic Mass: 32.066 → Sulfur (S)
- Atomic Number: 16
- Symbol: S

✔ Fill in:
Top-left: `16`
Center: `S`

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Box 3: Symbol = Kr

- Symbol: Kr → Krypton
- Atomic Number: 36
- Atomic Mass: 83.80

✔ Fill in:
Top-left: `36`
Bottom: `83.80`

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Box 4: Atomic Mass = 88.906

- Atomic Mass: 88.906 → Yttrium (Y)
- Atomic Number: 39
- Symbol: Y

✔ Fill in:
Top-left: `39`
Center: `Y`

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Box 5: Name = Gold

- Name: Gold → Symbol: Au
- Atomic Number: 79
- Atomic Mass: 196.97

✔ Fill in:
Top-left: `79`
Center: `Au`
Bottom: `196.97`

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## 🔢 ROW 4:

Box 1: Name = Europium

- Name: Europium → Symbol: Eu
- Atomic Number: 63
- Atomic Mass: 151.96

✔ Fill in:
Top-left: `63`
Center: `Eu`
Bottom: `151.96`

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Box 2: Symbol = Fe

- Symbol: Fe → Iron
- Atomic Number: 26
- Atomic Mass: 55.85

✔ Fill in:
Top-left: `26`
Bottom: `55.85`

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Box 3: Atomic Number = 82

- Atomic Number: 82 → Lead (Pb)
- Atomic Mass: 207.2
- Symbol: Pb

✔ Fill in:
Center: `Pb`
Bottom: `207.2`

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Box 4: Name = Potassium

- Name: Potassium → Symbol: K
- Atomic Number: 19
- Atomic Mass: 39.10

✔ Fill in:
Top-left: `19`
Center: `K`
Bottom: `39.10`

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Box 5: Atomic Mass = 107.868

- Atomic Mass: 107.868 → Silver (Ag)
- Atomic Number: 47
- Symbol: Ag

✔ Fill in:
Top-left: `47`
Center: `Ag`

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## ✔ FINAL ANSWER (Filled Boxes):

Here’s how each box should look when filled:

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Row 1:

| 5 | 13 | 56 | 11 | 27 |
|-----------|-----------|-----------|-----------|-----------|
| B | Al | Ba | Na | Co |
| 10.81 | 26.98 | 137.33| 22.99 | 58.93 |

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Row 2:

| 29 | 53 | 50 | 74 | 32 |
|-----------|-----------|-----------|-----------|-----------|
| Cu | I | Sn | W | Ge |
| 63.546| 126.90| 118.71| 183.84| 72.631|

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Row 3:

| 93 | 16 | 36 | 39 | 79 |
|-----------|-----------|-----------|-----------|-----------|
| Np | S | Kr | Y | Au |
| 237.05| 32.066| 83.80 | 88.906| 196.97|

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Row 4:

| 63 | 26 | 82 | 19 | 47 |
|-----------|-----------|-----------|-----------|-----------|
| Eu | Fe | Pb | K | Ag |
| 151.96| 55.85 | 207.2 | 39.10 | 107.868|

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## 🧠 Explanation Summary:

You used the periodic table to match:
- Element names → symbols & atomic numbers
- Symbols → names & atomic numbers
- Atomic numbers → symbols & masses
- Atomic masses → symbols & atomic numbers

This reinforces understanding of the structure of the periodic table and how to navigate it using any one piece of data to find the others.

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✔ All boxes are now complete!

Let me know if you’d like a printable version or flashcards based on this!