Milady Mindtap Chapter 12 - Comprehensive Exam Graded A+

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The study of substances that contain carbon is called _____ chemistry. - ANSWER organic Substances lacking the element _____ are classified as inorganic. - ANSWER carbon Matter does NOT exist in... which form? - ANSWER energy Any substance that occupies space and has mass (weight) is considered: - ANSWER matter The simplest form of chemical matter is a(n): - ANSWER element There are _____ naturally occurring elements. - ANSWER 98 A(n) _____ is the basic unit of matter. - ANSWER atom A(n) _____ is a chemical combination of two or more atoms in definite (fixed) proportions. - ANSWER molecule An elemental molecule is a molecule containing: - ANSWER two or more atoms of the same element in definite proportions A chemical combination of two or more atoms of different elements in definite proportions is a(n): - ANSWER compound Characteristics of matter that do not involve chemically changing a substance are called _____ properties. - ANSWER physical When a substance undergoes a _____ change, a new substance with different properties is created. - ANSWER chemical A(n) _____ releases a significant amount of heat. - ANSWER exothermic reaction The rapid oxidation of a substance, accompanied by the production of heat and light, is called: - ANSWER combustion A chemical combination of matter in definite (fixed) proportions is called a(n): - ANSWER pure substance A _____ is a physical combination of matter in any proportions. - ANSWER physical mixture Which of the following is NOT a physical mixture? - ANSWER element A stable physical mixture of two or more substances is a(n): - ANSWER solution A(n) _____ is a substance that dissolves another substance to form a solution. - ANSWER solvent If two liquids are mutually soluble, they are considered: - ANSWER miscible A(n) _____ is an unstable physical mixture of undissolved particles in a liquid. - ANSWER suspension [Show More]

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