Examlex
Which of the following statements regarding treated lumber is true?
Isotope
Atoms of the same element with the same number of protons but different numbers of neutrons, leading to different atomic masses.
Element
An element is a substance consisting of atoms which all have the same number of protons, classically considered the simplest substances that cannot be broken down using chemical reactions.
Isotope
Atoms of the same element that have the same number of protons but different numbers of neutrons, resulting in different mass numbers.
Magnesium
A chemical element with the symbol Mg and atomic number 12, known for its low density and high strength, used in alloys, fireworks, and medical applications.
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