andreanthony200 andreanthony200

09-05-2017
Physics

contestada

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

Respuesta :

caidenheath1 caidenheath1

09-05-2017

the answer is B. negative 2

Answer Link

cloudgod21 cloudgod21

09-05-2017

electrons have a negative charge thus adding two electrons to an atom will give it a charge of 2 times -1 or -2.

i think its -2

Answer Link

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