Examlex
A smaller sample might provide less sampling error than a larger sample from a given population.
Isotope
Variants of a chemical element that have the same number of protons but different numbers of neutrons in their atoms, affecting their atomic mass but not their chemical properties.
Electrons
Subatomic particles with a negative electric charge, found outside the nucleus of an atom.
Cobalt
A chemical element with symbol Co and atomic number 27, known for its blue-colored compounds and magnetic properties.
Fe
Symbol for Iron, a chemical element with atomic number 26, known for its strength and magnetic properties.
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