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Which of the following best explains why Na(s) is more reactive with water than Mg(s)?
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1. Intro to General Chemistry
Chemical Properties
Scelta multipla
Nonpolar molecules that cluster away from water molecules are called __________ molecules.
A
amphipathic
B
hydrophilic
C
ionic
D
hydrophobic
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Understand the context: The problem is asking for the term used to describe nonpolar molecules that tend to cluster away from water molecules.
Recall the nature of water: Water is a polar solvent, so it interacts well with polar or charged molecules but poorly with nonpolar molecules.
Identify the key property: Nonpolar molecules that avoid water are said to be 'water-fearing' or repelled by water.
Match the options with definitions: 'Amphipathic' molecules have both polar and nonpolar parts, 'hydrophilic' molecules are water-attracting, and 'ionic' molecules carry a charge.
Conclude that the correct term for nonpolar molecules that cluster away from water is 'hydrophobic' molecules.
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