A Substance Made Of Two Or More Elements Chemically Combined In...

Problem 20P from Chapter 2: Two or more elements combine chemically to make (choose one Elements are made of a single substance and are the building blocks of compounds. Pure substances that contain two or more elements that are bonded together in fixed proportions are called...An element. is a fundamental or elementary substance that cannot be broken down by chemical means to simpler substances. compound:a compound is a substance that contains two or more elements chemically combined in a definite proportion by mass.Two or more elements combined into one substance through a chemical reaction, such as water, form a chemical compound. A mixture is a material system made up of two or more different substances, which are mixed but not combined chemically.Matter is divided into elements, compounds and mixtures. Elements are the pure form of matter and contain only one type of atom. Compounds are formed when two or more elements chemically combine. In this process, each individual element loses its individual properties.Presentation on theme: "Compound- two or more elements chemically combined"— Presentation transcript 2 Molecule- smallest unit of most compounds Organic compound- a compound that contains carbon The most important groups of organic compounds found in living things are proteins...

Chapter 3 Elements and Compounds Flashcards | Easy Notecards

The name for two or more elements that are bonded to each other chemically is a compound. Compounds are not to be confused with isotopes or mixtures. Isotopes are alternate forms of an element's atoms, and mixtures are combinations of chemicals that are joined physically but not...COMPOUNDS contain two or more different elements in a chemically combined form. The simplest form of most matter, other than simple elements which still retains specific properties, is in the form of compounds.When two distinct elements are chemically combined—i.e., chemical bonds form between their atoms—the result is called a chemical compound. The two or more component elements of a compound can be separated through chemical reactions.Pure substance made of two or more elements that are chemically combined (or bonded) (ex. Elements combine in many different ways to make compounds. (ex. Carbon and oxygen can become either Carbon monoxide, (very dangerous) and carbon dioxide (substance used in photosynthesis.)

Classification of Matter (Elements, Compounds, Mixtures)...

Many compounds exist as small molecules and in the air we find three: Carbon dioxide CO 2 , Methane CH 4 and water (as vapour) H 2 O. These compounds also contains covalent bonds and we can understand their chemical bonding using dot-cross diagrams to represent their outer shell electrons.Two or more elements combined chemically is a compound and the smallest unit is a molecule. If two or more different elements combine chemically, they make a compound. However, metallic elements can combine without forming compounds, instead forming the special class of mixtures...Chemists use symbols and formulae to represent elements and compounds. Word equations and balanced chemical equations represent the changes that happen in chemical reactions. A substance made up of two or more elements that are chemically combined.a compound is a combination of two or more elements.Elements are represented by these. Compound. Two or more elements chemically combined. Matter is neither created or destroyed but simply rearranged. Compounds. ___ are chemically combined and separated. Mixtures.

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