Question

Which element will only gain one electron during a chemical reaction?

Answer 1

Halogens

Explanation:

Halogens are a group of non-metals located in the seventh group on the periodic table. The will only gain one electron during a chemical reaction.

• Halogens have a seven electrons in their outermost shell.
• To complete the number of electrons in this shell, they need to gain an additional electron.
• One more electron makes the halogen similar to the corresponding noble gas which is very stable.
• Halogens are very reactive groups of elements and are highly electronegative.
• They have a high affinity for electrons.
• These elements are fluorine, chlorine, bromine, iodine and Astatine.

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Halogens brainly.com/question/6324347

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