Write formulas for the compounds formed between following pairs of ions: Na+1 and S-2 _________________________________________ Mg+2 and Cl-1 _________________________________________ Al+3 and O-2 _________________________________________ K+ and PO4-3 _________________________________________ Ca+2 and SiO3-2 _________________________________________ Fe+3 and NO3-1
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Answer:
Na+1 and S-2 - NaS
Mg+2 and Cl-1 - MgCl₂
Al+3 and O-2 - Al₂Cl₃
K+ and PO4-3 - K₃PO₄
Ca+2 and SiO3-2 - CaSiO₃
Fe+3 and NO3-1 - Fe{NO₃}₃
Explanation:
NaS is sodium sulphide.
MgCl₂ is magnesium chloride.
Al₂Cl₃ is aluminum chloride.
K₃PO₄ is potassium phosphate.
CaSiO₃ is calcium silicate.
Fe{NO₃}₃ s ferric nitrate.
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