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1. Intro to General Chemistry
Metric Prefixes
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Which metric prefix indicates a quantity of one trillion atoms?
A
tera-
B
giga-
C
mega-
D
nano-
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Understand that metric prefixes are used to denote powers of ten, which help express very large or very small quantities in a compact form.
Recall the common metric prefixes and their corresponding powers of ten: mega- (10^6), giga- (10^9), tera- (10^{12}), and nano- (10^{-9}).
Identify that one trillion corresponds to 10^{12} atoms, which matches the power of ten associated with the prefix tera-.
Compare the given options to their powers of ten to confirm that tera- is the correct prefix for one trillion atoms.
Conclude that the metric prefix indicating a quantity of one trillion atoms is tera-.
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