Chemistry Alphabet ChallengeOnline version Guess the chemistry-related word for each letter of the alphabet! by Pachi Araujo A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Commence par A The smallest unit of a chemical element, consisting of a nucleus and electrons. Commence par B A lasting attraction between atoms that enables the formation of chemical compounds. Commence par C A substance that increases the rate of a chemical reaction without being consumed. Commence par D Molecules composed of two atoms, which can be of the same or different elements. Commence par E A measure of an atom's ability to attract and hold onto electrons. Commence par F A metabolic process that converts sugar to acids, gases, or alcohol using microorganisms. Commence par G A state of matter characterized by low density and viscosity, and high compressibility. Commence par H The lightest and most abundant chemical element, often found in water and organic compounds. Commence par I An atom or molecule that has gained or lost one or more electrons, resulting in a charge. Commence par J A unit of energy in the International System of Units, often used in chemistry. Commence par K The study of the rates of chemical reactions and the factors affecting them. Commence par L A soft, silvery-white metal and the lightest metal, used in batteries and medications. Commence par M A group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound. Commence par N The basic building block of nucleic acids, consisting of a sugar, phosphate group, and nitrogenous base. Commence par O A chemical reaction that involves the loss of electrons or an increase in oxidation state. Commence par P A scale used to specify the acidity or basicity of an aqueous solution. Commence par Q A fundamental particle and a basic constituent of matter, combining to form protons and neutrons. Commence par R A substance used to cause a chemical reaction or to test for the presence of another substance. Commence par S A substance that dissolves a solute, forming a solution, often a liquid. Commence par T A technique used to determine the concentration of a solute in a solution by adding a reagent. Commence par U A heavy metal used as fuel in nuclear reactors and in the production of nuclear weapons. Commence par V The measure of an atom's ability to bond with other atoms, often determined by its electron configuration. Commence par W The distance between successive crests of a wave, often used in the context of electromagnetic radiation. Commence par X A colorless, dense noble gas used in lighting and as a general anesthetic. Commence par Y A silvery-metallic element used in various applications, including LEDs and superconductors. Commence par Z A metallic element essential for biological functions and commonly used in galvanization.
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