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Which of the following elements will have its valence electrons represented as in Figure A?
I. Oxygen and Sulfer
II. Selenium and Tellurium
III. Polonium only

A. I only
B. II only
C. III only
D. I, II, and III

Which of the following elements will have its valence electrons represented as in Figure A I Oxygen and Sulfer II Selenium and Tellurium III Polonium only A I o class=

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D
Bc all of them in the 6th columns

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