USVI NGSS Science Grade 11 Practice Questions - U.S. Virgin Islands NGSS Science Summative Assessment, Grade 11 Exam

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Elements in Group 17 (the halogens) have 7 valence electrons. What type of ion do they typically form during chemical bonding?

Anions with a -1 charge by gaining 1 electron Cations with a +1 charge by losing 1 electron Anions with a -7 charge by gaining 7 electrons Cations with a +7 charge by losing 7 electrons

Correct Answer:

Anions with a -1 charge by gaining 1 electron

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