Multiple Choice
Which of the following best represents the number of particles (atoms, molecules, or ions) present in one mole of a substance?
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2. Atoms & Elements
Mole Concept
Multiple Choice
Which term is also known as a mole in chemistry?
A
Avogadro's constant
B
Gram formula mass
C
Amount of substance
D
Avogadro's number
Verified step by step guidance1
Understand that the term 'mole' in chemistry is a fundamental unit used to express the amount of substance.
Recognize that 'Avogadro's number' or 'Avogadro's constant' refers to the number of particles (atoms, molecules, ions, etc.) in one mole, approximately \(6.022 \times 10^{23}\) particles.
Note that 'Gram formula mass' refers to the mass of one mole of a substance expressed in grams, but it is not synonymous with the term 'mole' itself.
Identify that the term 'Amount of substance' is the correct definition of a mole, as it quantifies how many entities are present, regardless of their type.
Conclude that among the options, 'Amount of substance' is the term that is also known as a mole in chemistry.
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