The prefix mono is never used for naming the first element of a compound. Typically, a molecular formula begins with the nonmetal that is closest to the lower left corner of the periodic table, except that hydrogen is almost never written first (H 2 O is the prominent exception). Continue Reading. Ionic compounds are brittle, covalent compounds are not. A chemical compound is a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds. Covalent Compounds. Covalent bonds are directional where the atoms that are bonded showcase specific orientations relative to one another. Organic compounds are covalent compounds that contain carbon. ; For example, for CO the name will be carbon monoxide, and the final o of mono is dropped. MOLECULAR FORMULAS. Many covalent compounds are flammable and burn readily with the addition of heat. Ionic and Covalent compounds in Household Items By: Vichada Meier 5th Twizzlers Chemical Name: Sulfer Dioxide Formula: SO2 Chemical Name: Ferrous Sulfate also known as... Iron Sulfate = Fe (II) SO4 Chemical Name: Potassium Sorbate Formula: K6H7KO2 Table Salt Vinegar Chemical Sodium Bicarbonate commonly called ethyl alcohol, drinking alcohol, or simply alcohol is the principal type of alcohol found in alcoholic beverages, produced by the fermentation of sugars by yeasts. Examples of compounds that contain only covalent bonds are methane (CH 4 ), carbon monoxide (CO), and iodine monobromide (IBr). The electrons are … Well, Actually most household items are made largely of covalent compounds. Mostly organic polymers in fibers used to make furniture and curtains and a myriad of organic compounds in wooden items such as cellulose, lignin and some other complex sugars and some aromatic compounds. Covalent compounds generally have much lower melting and boiling points than ionic compounds. Fig. A white solid that is Compounds with covalent bonds usually have lower enthalpies of vaporization and fusion. 2.34, is a time series of drops of food coloring diffusing in water. Rules for Binary Covalent Compounds . Covalent compounds tend to be more flammable than ionic compounds Covalent compounds don't conduct electricity in water. 5) List three differences between ionic and covalent compounds: Ionic compounds are hard, covalent compounds are not. Covalent compounds are soft and squishy (compared to ionic compounds, anyway). Covalent bonding between hydrogen atoms Since each hydrogen atom has one electron, they are able to fill their outermost shells by sharing a … Introduction to Covalent Bonding: Bonding between non-metals consists of two electrons shared between two atoms. The chemical formulas for covalent compounds are referred to as molecular formulas because these compounds exist as separate, discrete molecules. Using the Wave Theory, the covalent bond involves an overlap of the electron clouds from each atom. They usually also contain hydrogen. There will be a fixed ratio for a chemical compound determining the composition of it. Covalent compounds, like sugar and food coloring, can dissolve and diffuse, but they do not dissociate. Covalent compounds aren't usually very soluble in water. Ionic compounds have a high melting and boiling point, covalent compounds have a low melting and boiling point. and may contain smaller amounts of other elements such as nitrogen, sulfur, phosphorus, oxygen, or any of the halogens. List of Chemical Compounds, Their Common Names and Formulas Chemical Compound. Most compounds having covalent bonds exhibit relatively low melting points and boiling points. A salt composed of sodium ions and bicarbonate ions. Ionic compounds like sodium chloride dissolve, dissociate, and diffuse. 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