Multiple Choice
In the context of physical and chemical changes, when does a chemical transformation occur?
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1. Intro to General Chemistry
Physical & Chemical Changes
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which term is used to refer to an observable trait in the context of physical properties?
A
Reaction
B
Characteristic
C
Element
D
Molecule
Verified step by step guidance1
In the context of physical properties, an observable trait is referred to as a 'characteristic'.
Physical properties are attributes that can be observed or measured without changing the substance's chemical identity.
Examples of physical characteristics include color, density, melting point, boiling point, and solubility.
The term 'reaction' refers to a process in which substances interact to form new substances, not a physical trait.
The terms 'element' and 'molecule' refer to types of substances, not observable traits or characteristics.
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