Answer: bromine
Explanation: Thus bromine would release most energy while adding an an electron to a neutral atom in the gas phase.
Answer:
13 elements
Explanation:
those 13 elements involve Xenon,Radon,Chlorine,Hydrogen,Helium,Nitrogen,Krypton,Neon,Fluorine,Oxygen,Argon.Most of them are non-metals.
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Luster means Shiny. Dull means simple and not full of detail. Hope this helps!Please Rate Brainiest!
-Aslina
Explanation:
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