Question

give chemical formulae of: 1. Sodium chloride
2. Magnesium chloride
3. Magnesium sulphate
4. Potassium chloride
5. Calcium carbonate
5. Magnesium bromide​

Answer 1

Answer:

Hey there

Here's your answer

1. Sodium chloride is : NaCl

2. Magnesium chloride : MgCl2

3. Magnesium sulphate : MgSO4

4. Potassium chloride : KCl

5. Calcium carbonate : CaCO3

5. Magnesium bromide : MgBr2

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Answer 2

Hey!

Answer:

1. Sodium Chloride- NaCl

2. Maɡnesium Chlroide- MgCl₂

3. Maɡnesium Sulphate- MɡSO₄

4. Potassium Chloride- KCl

5. Calcium Carbonate- CaCO₃

6. Maɡnesium Bromide- MɡBr₂

Explanation:

Sodium ion has a valency of "+1"

Chlorine ion has a valency of "–1"

Magnesium ion has a valency of "+2"

Sulphate ion has a valency of "–2"

Bromide ion has a valency of "–1"

Calcium ion has a valency of "+2"

Potassium ion has a valency of "+1"

Carbonate ion has a valency of "–2"