What is the chemical formula of Epsom Salt?
Correct answer: A. MgSO4.7H2O
- A. MgSO4.7H2O
- B. MgCO3
- C. MgCO3.CaCO3
- D. Mg(SiO3)4
Explanation
Epsom salt is a hydrated magnesium sulfate with the chemical formula MgSO₄.7H₂O. It is commonly used as a bath salt, laxative, and fertilizer.
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The s and p blocks are studied through their valence-shell configurations, periodic trends and characteristic chemical properties. Work covers the reactions of Group I and Group II elements, the behaviour of Group IV elements, and how atomic size, ionization energy, electronegativity and metallic character change across periods and down groups.
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