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TRUE OR FALSEWrite True if the statement is correct and write False it is incorrect, Write your answer on a separate sheet of paper. (1 point each) 1. All organisms obtain carbon, directly or indirectly, from the atmosphere. 2. About 0.4% of our atmosphere is carbon dioxide. 3. Carbon is unique because it can form unusually large number of compounds. 4. The existence of an element in more than one form in the same physical state is called allotropy, and the forms are called allotropes. 5. Cyclic or ring structure does not mean that the molecules form a circle. 6. Carbon atom is tetravalent and therefore can form only five covalent bonds. 7. Carbon bonds mostly with the nonmetals such as Oxygen, Nitrogen, Hydrogen, Sulfur among others. 8. Carbon atom has six valence electrons in its outermost shell. 9. Carbon's electronic configuration is 1s 2s 2p2. 10. The special abilities of carbon atoms to form chemical bonds are the reasons why there are so many kinds of organic compounds.
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