When an oxygen atom forms an ion, it gains two electrons. What is the electrical charge of the oxygen ion?
1 answer:
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Answer:
pH = 10.113
Explanation:
Here, we can find pOH first:
pOH = = 3.886.
Then, we can find pH which is 14 - pOH. We then get the answer above.
Answer:
7
Explanation:
sodium has 1 valence electron because of its place on the periodic table. a trick to use is included in the picture below to find out how many valence electrons an element has. to get from 1 to 8 we add 7.
I hope this helps :))
