Multiple Choice
Which of the following represents volume in SI units?
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2. Measurement and Problem Solving
SI Units (Simplified)
Multiple Choice
In the SI system, which unit is used to measure mass (including the mass of an atom)?
A
liter (L)
B
meter (m)
C
second (s)
D
kilogram (kg)
Verified step by step guidance1
Understand that the SI system (International System of Units) defines standard units for various physical quantities.
Recall that mass is a measure of the amount of matter in an object, including atoms.
Identify the SI base unit for mass, which is the kilogram, symbolized as \(\text{kg}\).
Note that liter (\(\text{L}\)) is a unit of volume, meter (\(\text{m}\)) is a unit of length, and second (\(\text{s}\)) is a unit of time, so none of these measure mass.
Therefore, the correct SI unit to measure mass, including atomic mass, is the kilogram (\(\text{kg}\)).
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