The answer is C. Nicotine is the substance found in tobacco smoke that stimulates the brain.
There is 1 H atom: (1)(+1) = +1 The oxidation number of O is -2. There are 4 O atoms here: (4)(-2) = -8 So the oxidation state of Cl is +7.
NOTE: The maximum positive oxidation number for chlorine is +7,<span> the same as its group number (VII).</span>
Answer:
Explanation: The molar mass and molecular weight of Cr2(SO3)3 is 344.182.
The group is might be labeled as VIIB or VIIA.
