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A chloride ion. ( Cl- ) and any other ion form of the elements in group 7 of the Periodic Table (7th from the left, 2nd from the right)

or an Electron.

A variety of polyatomic ions have -1 charges including the nitrate ion (NO3-), hydroxide ion (OH-) and perchlorate ion (ClO4-)

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Tiara Lebsack

Lvl 13
3y ago

What else can I help you with?