Ionic compound formation table with cations and anions.

It looks like you've uploaded a table with cations on the left (Na⁺, K⁺, Mg²⁺, Al³⁺) and anions on the top (Cl⁻, I⁻, S²⁻, O²⁻, Br⁻, N³⁻). This appears to be a compound formation table, where the goal is to fill in the boxes with the correct chemical formulas of the ionic compounds formed when each cation combines with each anion.

We'll go through this step by step.

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🔬 Step-by-step: Forming Ionic Compounds

Ionic compounds are neutral; the total positive charge must balance the total negative charge.

We use criss-cross method or charge balancing to determine the formula.

Let’s go row by row.

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🟨 Row 1: Na⁺ (sodium ion)

Charge: +1
Combines with:

1. Cl⁻ → Na⁺ + Cl⁻ → NaCl
2. I⁻ → Na⁺ + I⁻ → NaI
3. S²⁻ → Need 2 Na⁺ for one S²⁻ → Na₂S
4. O²⁻ → Need 2 Na⁺ → Na₂O
5. Br⁻ → Na⁺ + Br⁻ → NaBr
6. N³⁻ → Need 3 Na⁺ → Na₃N

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🟨 Row 2: K⁺ (potassium ion)

Same as Na⁺ — also +1 charge

1. Cl⁻ → KCl
2. I⁻ → KI
3. S²⁻ → K₂S
4. O²⁻ → K₂O
5. Br⁻ → KBr
6. N³⁻ → K₃N

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🟨 Row 3: Mg²⁺ (magnesium ion)

Charge: +2

1. Cl⁻ → Mg²⁺ + 2Cl⁻ → MgCl₂
2. I⁻ → MgI₂
3. S²⁻ → Mg²⁺ + S²⁻ → MgS
4. O²⁻ → MgO
5. Br⁻ → MgBr₂
6. N³⁻ → Mg²⁺ and N³⁻ → LCM of 2 and 3 is 6 → 3 Mg²⁺ = +6, 2 N³⁻ = -6 → Mg₃N₂

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🟨 Row 4: Al³⁺ (aluminum ion)

Charge: +3

1. Cl⁻ → Al³⁺ + 3Cl⁻ → AlCl₃
2. I⁻ → AlI₃
3. S²⁻ → Al³⁺ and S²⁻ → LCM of 3 and 2 is 6 → 2 Al³⁺ = +6, 3 S²⁻ = -6 → Al₂S₃
4. O²⁻ → Al³⁺ and O²⁻ → LCM of 3 and 2 is 6 → 2 Al³⁺ = +6, 3 O²⁻ = -6 → Al₂O₃
5. Br⁻ → AlBr₃
6. N³⁻ → Al³⁺ + N³⁻ → charges cancel directly → AlN

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✔ Final Filled Table

| | Cl⁻ | I⁻ | S²⁻ | O²⁻ | Br⁻ | N³⁻ |
|-----------|---------|---------|--------|--------|---------|---------|
| Na⁺ | NaCl | NaI | Na₂S | Na₂O | NaBr | Na₃N |
| K⁺ | KCl | KI | K₂S | K₂O | KBr | K₃N |
| Mg²⁺ | MgCl₂ | MgI₂ | MgS | MgO | MgBr₂ | Mg₃N₂ |
| Al³⁺ | AlCl₃ | AlI₃ | Al₂S₃ | Al₂O₃ | AlBr₃ | AlN |

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✔ Summary

This table shows the formulas of ionic compounds formed between various cations and anions. The key concept is charge balance to form neutral compounds.

Let me know if you'd like this table formatted differently or need explanations for any specific compound!