Simple Chemical Reactions Unit Test

Question

12 of 1912 of 19 Items

Question
Use the electronegativity and valence electron information to answer the question.

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)
Responses

three
three

six
six

five
five

eight
eight