Multiple Choice
Which of the following sources is most commonly used to learn about the chemical properties, hazards, and safe handling of a chemical substance?
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1. Intro to General Chemistry
Chemical Properties
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Which of the following best explains why different substances have different chemical properties?
A
Because substances with the same molecular formula always have identical chemical properties.
B
Because all substances are made of the same atoms but in different physical states.
C
Because chemical properties are determined only by temperature and pressure.
D
Because they have different types and arrangements of atoms, leading to variations in bonding and reactivity.
Verified step by step guidance1
Understand that chemical properties of substances depend on the nature of their atoms and how these atoms are connected or arranged.
Recognize that even if substances have the same molecular formula, differences in the arrangement of atoms (isomerism) can lead to different chemical properties.
Recall that physical states (solid, liquid, gas) do not change the intrinsic chemical properties, but rather the conditions under which reactions occur.
Acknowledge that temperature and pressure can influence reaction rates and equilibria but do not define the fundamental chemical properties of a substance.
Conclude that the key reason substances differ chemically is due to the different types of atoms involved and their specific bonding patterns, which affect reactivity and behavior.
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