Examlex
In the figure above, ____ is responsible for producing cells needed to defend the body.
Isotope
Atoms of the same element that have different numbers of neutrons, resulting in different masses but similar chemical properties.
Neutrons
Electrically neutral subatomic particles found in the nucleus of an atom, contributing to the atomic mass but not the atomic charge.
Protons
Positively charged particles found in the nucleus of an atom, contributing to the atom's mass and defining its element by determining the atomic number.
Isotope
An isotope refers to one of two or more forms of an element with the same number of protons but a different number of neutrons in the nucleus, resulting in different atomic masses but similar chemical properties.
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