Question

*The valency of sodium is 1, the valency of SO₄ is 2, then the chemical formula of the compound is ______.*

1️⃣ Na₂SO₄
2️⃣ Na(SO₄)₂
3️⃣ Na(SO₄)
4️⃣ 2Na₂SO₄⁹​

Answer 1

Answer:

1)) Na²SO ⁴

thia is the correct answer..

Answer 2

Answer:

sodium oxide : Na2O2. sodium sulphate : Na2SO3. sodium carbonate : Na2CO4. sodium hydroxide : NaOH5. sodium nitrate : NaNO3