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RbSbabeccabi
RbSbabeccabi RbSbabeccabi
  • 13-05-2016
  • Physics
Answered

When an oxygen atom forms an ion, it gains two electrons. What is the electrical charge of the oxygen ion?


A.-2


B.+2


C.+1


D.-1

Verified Answer :

WorldCitizen WorldCitizen
  • 22-05-2016

The oxygen atom, before it gains these two electrons, has a neutral charge, meaning that it has as many protons as electrons. After it gains 2 electrons, it has 2 more electrons than protons. Each electron has a charge of -1, so the whole molecule will  have a charge of -2. The correct answer is a)!

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DaultonE
DaultonE DaultonE
  • 07-04-2021

Answer:

A is the corect answer

Explanation:

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