Examlex
The molecule that stores the set of instructions of a cell and directs everything a cell does is ________.
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.
Atomic Mass
The mass of an atom, typically measured in atomic mass units (amu) or daltons, representing the total mass of protons, neutrons, and electrons in the atom.
Boron
A chemical element with symbol B and atomic number 5, used in making glass, detergents, and semiconductors.
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