Which of the following contains a polar covalent bond?
Ο Α. NO
O B. O₂
C. Na(s)
...
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What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-
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What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures
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