Gallium has a number of sulfides
Ga2S, [Ga+]2 S2- (gallium(I) sulfide)
GaS, [Ga24+] [S2-]2 gallium (II) sulfide
Ga4S5 - undocumented structure so simply call it tetragallium pentasulfide
Ga2S3, [Ga3+]2 [S2-]3 gallium(III) sulfide
These compounds all have a large degree of covalent character in their bonding so expressing them as ionic substances is only a useful formalism to understand the oxidation states of the metal.
K2S is the formula for the ionic compound formed from potassium and sulfur.
Ionic gallium takes a 3+ (Ga3+) charge, and the hydroxide ion takes a 1- (OH-) charge. Therefore, the chemical formula (the combination of the ions to form an ionic compound) is Ga(OH)3, which satisfies all the charges. There are several other forms of ionic gallium compounds as well, include Gallium Oxide (Ga2O3) and Gallium Oxide Hydroxide (GaOOH).
The ionic compound formed from potassium and sulfur is potassium sulfide (K2S). Potassium has a +1 charge, and sulfur has a -2 charge, so two potassium ions (K+) combine with one sulfur ion (S2-) to form a stable compound held together by ionic bonds.
MgS --> Mg2+ and S2- -->Ionic Compounds
The formula of gallium ions depends on its charge. Gallium typically forms Ga3+ ions by losing three electrons. Therefore, the formula of gallium ions is Ga3+.
The ionic formula for sulfur oxide is SO2.
gallium (III) carbonate - Ga2(CO3)3 gallium (III) oxide - Ga2O3
K2S is the formula for the ionic compound formed from potassium and sulfur.
K2S is the formula for the ionic compound formed from potassium and sulfur.
Ionic gallium takes a 3+ (Ga3+) charge, and the hydroxide ion takes a 1- (OH-) charge. Therefore, the chemical formula (the combination of the ions to form an ionic compound) is Ga(OH)3, which satisfies all the charges. There are several other forms of ionic gallium compounds as well, include Gallium Oxide (Ga2O3) and Gallium Oxide Hydroxide (GaOOH).
ZnS
The ionic formula for aluminum (Al) and sulfur (S) is Al2S3. This is because aluminum has a 3+ charge and sulfur has a 2- charge, so the formula needs two aluminum ions to balance out the three sulfur ions.
The ionic compound for GaAs is gallium arsenide. Gallium (Ga) is a metal and arsenic (As) is a nonmetal, so they form an ionic bond where Ga becomes positively charged (Ga3+) and As becomes negatively charged (As3-).
The formula unit for the ionic compound made of strontium and sulfur is SrS, called strontium sulfide.
The molecular formula of sulfur dioxide (SO2) is molecular, not ionic. This compound is made up of covalent bonds between sulfur and oxygen atoms, where they share electrons to form the molecule.
Gallium oxide typically exhibits an ionic bond between gallium and oxygen. Gallium typically gives up electrons to oxygen to form Ga3+ cations and O2- anions, resulting in an ionic compound.
The ionic compound formed from potassium and sulfur is potassium sulfide (K2S). Potassium has a +1 charge, and sulfur has a -2 charge, so two potassium ions (K+) combine with one sulfur ion (S2-) to form a stable compound held together by ionic bonds.