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NF3 is the chemical formula for nitrogen trifluoride, which is also a weak base. It consists of one nitrogen atom bonded to three fluorine atoms.
Fluoride ion (F-): The negatively charged ion formed when fluorine accepts an electron during bonding.
Covalent bond: A chemical bond formed by sharing electrons between atoms.
Electron negativity: A measure of how strongly an atom attracts electrons towards itself in a covalent bond.