Question

Определите валентность первого элемента в формулах следующих соединений одновалентного хлора(KCI,MgCI₂,FeCI₃,SnCI₄,PCI₅) и двухвалентной серы (K₂S,CaS,Al₂S₃,CS₂,Cu₂S,Ag₂S)

Answer 1

K-I                             K-1 

Mg-2                          Ca-2

Fe-5                          Al-3

Sn-4                          C-2

P-5                            Cu-4

                                 Ag-1 

Answer 2

Valence of Chlorine (Cl) in the given compounds:

- KCI: The valence of chlorine in potassium chloride (KCI) is -1. [[1]] - MgCI₂: The valence of chlorine in magnesium chloride (MgCI₂) is -1. [[2]] - FeCI₃: The valence of chlorine in iron(III) chloride (FeCI₃) is -1. [[3]] - SnCI₄: The valence of chlorine in tin(IV) chloride (SnCI₄) is -1. [[4]] - PCI₅: The valence of chlorine in phosphorus pentachloride (PCI₅) is -1. [[5]]

Valence of Sulfur (S) in the given compounds:

- K₂S: The valence of sulfur in potassium sulfide (K₂S) is -2. [[6]] - CaS: The valence of sulfur in calcium sulfide (CaS) is -2. [[7]] - Al₂S₃: The valence of sulfur in aluminum sulfide (Al₂S₃) is -2. [[8]] - CS₂: The valence of sulfur in carbon disulfide (CS₂) is 0. [[9]] - Cu₂S: The valence of sulfur in copper(I) sulfide (Cu₂S) is -2. [[10]] - Ag₂S: The valence of sulfur in silver sulfide (Ag₂S) is -2. [[11]]

Please let me know if there's anything else I can help you with!