Question

*The symbol of sodium is Na and valency is 1, the symbol of sulphate is SO₄ and valency is 2, then what will be the chemical formula of the compound formed.*

1️⃣ NaSO₄
2️⃣ Na(SO₄)₂
3️⃣ Na₂SO₄
4️⃣ Na₄SO​

Answer 1

Answer:

option 3 is correct

Explanation:

Do the cross multiplication of their valency