Examlex
In experimental research,what happens to subjects in the experimental group
Iron
A metal element with the symbol Fe, known for its magnetic properties and widely used in construction, manufacturing, and biochemistry.
Isotope
Variants of a particular chemical element which differ in neutron number, and consequently in nucleon number.
Electrons
subatomic particles with a negative electric charge, found in all atoms, and acting as the primary carrier of electricity in solids.
Isotope
Variants of a particular chemical element that have the same number of protons but different numbers of neutrons in their nuclei.
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