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UNIT TEST

H electronegativity: 2.2

H valence electrons: 1

C electronegativity: 2.55

C valence electrons: 4

O electronegativity: 3.44

O valence electrons: 6


Chemical weathering over hundreds of thousands of years formed modern caves. One form of chemical weathering occurs when carbon dioxide reacts with water to produce carbonic acid, H2CO3. How many bonds formed in H2CO3?


(1 point)


eight


six


three


five


Sagot :

Answer:

Six

Explanation:

I just took it and that is the correct answer.

Answer:

It is 6 took the test.. :)

Explanation: