Examlex
If a test question asks you to name the most common use for a pencil, you would use which type of thinking to derive the correct answer?
Protons
Positively charged particles found within an atom's nucleus, contributing to the atom's mass and defining the element.
Electrons
Subatomic particles with a negative charge, orbiting the nucleus of an atom, involved in chemical bonds and electricity.
Chemical Equation
A chemical equation is a symbolic representation of a chemical reaction, displaying the reactants and products with their respective chemical formulas.
Reactant
Substance that participates in a chemical reaction. Compare with product.
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