Examlex
Columnar cells with small projections called microvilli which line the intestine are a type of
Element
A substance that cannot be broken down into simpler substances by chemical means, consisting of atoms all with the same number of protons.
Electron Configuration
The arrangement of electrons in an atom or molecule within atomic or molecular orbitals.
Electron Configuration
How electrons are distributed within the atomic or molecular orbitals of an atom or molecule.
Selenium
A chemical element with symbol Se and atomic number 34, known for its role in human health and electronics.
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