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A Group 7 atom has [ ] outer-shell electrons and tends to gain one electron to form a [ ] ion.
A
A Group 7 atom has eight outer-shell electrons and tends to gain one electron to form a 1− ion.
B
A Group 7 atom has seven outer-shell electrons and tends to gain one electron to form a 2− ion.
C
A Group 7 atom has seven outer-shell electrons and tends to gain one electron to form a 1− ion.
D
A Group 7 atom has six outer-shell electrons and tends to gain one electron to form a 1− ion.
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The elements of Group 7 Flashcards
26 flashcards on Edexcel AS Level Chemistry The elements of Group 7: the key terms and definitions you need to recall.