Which of the following is a polysaccharide? (a) Insulin, the chief blood sugar regulator. (b) Cellulose, the primary component of plant cell walls. (c) Fructose, one of the most important blood sugars. (d) Glucose, the chief cellular energy source. (e) All of the above are polysaccharides. The correct answer is (b). Cellulose, the primary component of … Read more
What is the Lewis dot structure for one formula unit of magnesium sulfide? Magnesium sulfide contains magnesium and sulfur atoms. The valence electrons in Mg are 2. The valence electrons in S are 6. Lewis Structure A pictorial representation of different types of electrons surrounding elements in a compound is done using Lewis structures. It … Read more
Is NOCl polar or nonpolar? NOCl is polar. NOCl Nitrosyl chloride (NOCl) is a chemical reagent used in a wide variety of chemical synthesis reactions. It is notably used in organic chemistry where it is used to make αα-chloro oximes from alkenes. Polarity in Molecules When two or more atoms come together to form a molecule … Read more
Is magnesium oxide ionic or covalent? Magnesium oxide is considered ionic. Magnesium Oxide Magnesium oxide, or MgO, is a compound that is solid at room temperature. Often used as a mineral supplement, the bonds that hold the compound together are either ionic or covalent.
What is the ionic charge when iodine forms an ion? The element iodine will exist as an anion with a charge of -1. Ions An element can exist as an ion in order to form an ionic compound. It can exist as a cation (positively-charged ion) or an anion (negatively-charged ion). The element can be … Read more
Is water boiling a chemical reaction? No, boiling water is NOT a chemical reaction, but it is a physical change. When water, H2 O, is in liquid form, it can be heated to a boil. Boiling occurs by the process of convection, in which water closest to the heat source becomes warm and rises. The cooler … Read more
Is MgCl2 ionic or covalent? MgCl2 is an ionic compound. Magnesium is a metal with a positive charge of +2. Ionic Bonds and Covalent Bonds Ionic bonds are due to the attraction of two charged ions. In most cases, this is a bond between a metal and a nonmetal. In comparison, covalent bonds are the … Read more
What is another name for a condensation reaction? Condensation reactions are called dehydration synthesis reactions. Chemical Reactions Chemical reactions are transformations in which one or more substances redistribute electrons. The products of a chemical reaction may have vastly different properties from the reactants which make them.
What is the systematic name of NH4ClO3? Ammonium chlorate | [NH4]ClO3 – PubChem. Ionic Compounds The combination of positive and negative ions generates an ionic bond between them. Ionic bonds in a compound make it an ionic compound. Ionic compounds are named by listing the names of the positive and negative ions.
Which of the following is true for all exergonic reactions? A) The products have more total energy than the reactants. B) The reactions proceed with a net release of free energy. C) The reactions are always rapid. D) The reactions only occur in certain organelles called exergonomes. Answer: B) The reactions proceed with a net … Read more