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Evaluate the following statements related to group 14 elements for their correctness. (A) Covalent radius decreases down the group from C to Pb in a regular manner. (B) Electronegativity decreases from C to Pb down the group gr adually. (C) Maximum covalence of C is 4 whereas other elements can expand their covalence due to presence of d orbitals. (D) Heavier elements do not form p  - p  bonds. (E) Carbon can exhibit negative oxidation states. Choose the correct answer from the options given below:

1. (C), (D) and (E) Only
2. (A) and (B) Only
3. (A), (B) and (C) Only
4. (C) and (D) Only

Correct answer: (C), (D) and (E) Only

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