Question 19 (5 points) in the gaseous state _form diatomic covalent molecules. noble gases alkali metals alkaline earth metals halogens

halogens

Explanation:

"HALOGENS"

table consisting of five chemically related elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

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