Examlex
State the number of significant figures in each of the following measurements.
-If there are 14 books on the shelf,14 is a(n)________ number.
Selenium
a chemical element with symbol Se and atomic number 34, known for its role in antioxidant enzymes and its toxicity in large amounts.
Atomic Symbol
A notation of one or two letters representing a chemical element (e.g., O for oxygen, Ag for silver).
Tungsten
A chemical element known for having the highest melting point of all the non-alloyed metals, making it excellent for use in high-temperature applications.
Atomic Symbol
A one or two-letter notation representing a chemical element (e.g., O for oxygen, H for hydrogen).
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