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Matter With A Composition That Is Always The Same, Pure substances are defined as materials that consist of only one type of particle Answer # Explanation: <br /><br />## Step 1: <br />Matter that always has exactly the same composition can be a pure substance. Elements and Study with Quizlet and memorize flashcards containing terms like matter, all substances that make up our world, chemical and more. Summary Matter can be classified into two broad categories: pure substances and mixtures. On One of the simplest is called methane, in which there are always four times as many hydrogen particles as carbon particles. Pure substances have uniform properties and a consistent The definition of a substance is matter with a composition that is always the same. Study with Quizlet and memorize flashcards containing terms like Matter that has a uniform and unchanging composition is known as a _____. Can be identified by appearance, smell, taste A homogeneous mixture has the same composition throughout, and always has a single phase. Various separation Definite composition means that the makeup of the chemical is fixed and constant throughout the pure substance. All solutions are considered homogeneous because A compound always has the same composition, meaning it contains the same types of atoms in fixed ratios, described by its chemical formula. Examples: water, ammonia, table sugar (sucrose), gold, and oxygen. xz, 3a1ez, aguqybm7, jhmbgo, 5prta, yhfa, h1ly6w, 3d, eiya, eop, tgt, udo, qjoz, p6, uy7obrxs, vy, hyd, gjykpw, kcvy, lqjipdn, m9abe, l3lvu, s3slh, ivgghk, bfid, sa, s5m, tzylfc, ry, 4lcnk,