However we have to put a “di” prefix in front of oxygen because we have 2 oxygen atoms present. The name of covalent compound SO2 is Sulfur Dioxide 4. 2. Ionic Because the bond forms between a metal (Ca) and a non-metal (O), the bond will most likely be ionic. In case of sodium chloride, sodium atom is the cation ( ) and loses an electron, while chlorine atom gains that electron and becomes the negatively charged anion ( ). Using the periodic table, predict whether the following chlorides are ionic or covalent: SiCl 4, PCl 3, CaCl 2, CsCl, CuCl 2, and CrCl 3. Covalent compounds have a lower melting point and electrical conductivity as compared to ionic compounds. OF2 is the formula for Oxygen Difluoride 3. b. is chromium fluoride ionic or covalent, A. NOMENCLATURE OF BINARY COVALENT COMPOUNDS 1. This suggests that it could be a polyatomic bond because some of them do contain oxygen. The hydrogen atoms share electrons with the oxygen atom, which makes it covalent. if electronegativity difference is greater than 1.7, bond will be ionic otherwise covalent. g) Calcium fluoride $\left(\mathrm{CaF}_{2}\right)$ is an ionic compound; calcium is alkaline earth metal and fluorine is a non-metal. Is sodium chloride an ionic compound? Calcium Hydroxide can have both an ionic and covalent bond because it has oxygen in it. For each of the following compounds, state whether it is ionic or covalent. It is a _____ molecule. The name of the covalent compound PCl5 is Phosphorus Pentchloride. But we drop mono and just say carbon. The atoms become ions. No, lithium (Li) and oxygen (O) would form an ionic compound because lithium is a metal and oxygen is a non-metal. covalent bond: An interaction between two atoms, which involves the sharing of one or more electrons to help each atom satisfy the octet rule. hence the bond formed between the two elements is covalent bond which is formed by mutual sharing of electrons. If it is ionic, write the symbols for the ions involved: (a) NF 3 … Calcium oxide is ionic because it is formed between metal and non metal. if u are asking about bond formed by calcium,that depends upon electronegativity difference b/w calcium and the element with which it is bonding. Work and Play! This attraction usually forms between a metal and a non-metal. Naming the covalent compounds 1. Example of naming a covalent compound. The bond is polar covalent bond because the EN of carbon is 2.55 and that of oxygen is 3.44 . Calcium is an element. This interaction typically forms between two non-metals. If a bond forms between two non-metals, then the bond is most likely covalent. And bond formed between metal and non metal atoms are ionic in nature. ionic bond: An attraction between two ions used to create an ionic compound. According to the article, the charge on Be is +1.81 and the charges on the Fs are -0.91. CO. 2 has the name carbon dioxide.Since there is only one carbon in the molecule we should use the name mono before carbon. Explore a new way to work in Canada’s first mall located coworking space to make it easy for you to: Live.