| Overall up to UK A-level we are taught that a non-metal bonded to a metal as in this example is always an example of ionic bonding (clearly this is limited and it's not this arbitrary but dependent on your level it's a valid conclusion to make) due to the larger electronegativity differences, (Metal+metal=metallic bonding) (Non-metal+non-metal=covalent bonding), Pretty sure it's ionic, it's a lattice with unit cells comprised of 2Cr3+ and 3S2-, New comments cannot be posted and votes cannot be cast. 12018-22-3. The correct name is Chromium (III) Sulfide Since Chromium is a transition metal and we know that it is in the ionic form of Cr 3+. 1. What is the name of this compound? 2. In an ionic bond, one atom donates an electron to another atom, creating ions, which are positively and … Nonmetals bond to each other via covalent bonds while oppositely charged ions, such as metals and nonmetals, form ionic bonds.Compounds which contain polyatomic ions may have both ionic and covalent bonds. Ionic Bonding: The formation of an Ionic bond is the result of the transfer of one or more electrons from a metal onto a non-metal. If you know the chemical formula of a compound, you can predict whether it contains ionic bonds, covalent bonds, or a mixture of bond types. What Is The Formula For This Compound? I think its Ionic because Cr is a metal and S is a non-metal, but when trying to verify online I'm getting multiple answers. Answer: Cr2O3 ( Chromium (III) oxide ) is an ionic bond. In reality, electron density remains shared between the constituent atoms, meaning all bonds have some covalent character. The most common form of the trichloride is the dark green hexahydrate, CrCl 3 • 6H 2 O.Chromium chlorides find use as catalysts and as precursors to dyes for wool. 3. The bonds in CsOH are both "ionic" and covalent. I think its Ionic because Cr is a metal and S is a non-metal, but when trying to verify online I'm getting multiple answers. Can anyone verify this and explain why? Covalent Bonding: Bonding between non-metals consists of two electrons shared between two atoms. Post your questions about chemistry, whether they're school related or just out of general interest. Other articles where Ionic-covalent resonance is discussed: chemical bonding: The polarity of molecules: …would be in terms of ionic-covalent resonance: Thanks! CrCu04 4. This is apparently a thing now that people are writing exams from home. BeCl2, with a considerably larger delta EN, is well accepted as covalent. Press question mark to learn the rest of the keyboard shortcuts. In general, ionic compounds form when _METALS & NONMETALS _combine together. ! Question = Is ammonium sulfate polar or nonpolar ? 2. What Is The Name Of This Compound? In general, molecular compounds form when NONMETALS_combine together. Start studying Naming Ionic & Covalent Compounds. ionic What is the name of this compound? Chemical bond. What Is The Name Of This Compound? 2. The Na-O bonds in Na2SO4 are about 70% ionic (30% covalent). ! Compounds are defined as substances containing two or more different chemical elements. Can anyone verify this and explain why? Ionic: CH4: Covalent (NH4)2CO3: Ionic: HCl: Covalent: H2SO4: Covalent: This activity was created by a Quia Web subscriber. Classify the compound Cr2S3 as ionic or covalent. I'm trying to make sure I understand the difference between ionic and covalent bonds, and I'm getting a little hung up on Cr2S3. Please do not post entire problem sets or questions that you haven't attempted to answer yourself.