In which of the following are the symbol and name for the ion given correctly? a. fe2+: ferrous ion; fe3+: ferric ion b. sn2+: stannic ion; sn4+: stannous ion c. co2+: cobalt(ii) ion; co3+: cobaltous ion d. pb2+: lead ion; pb4+: lead(iv) ion

For the following dehydrohalogenation (e2) reaction, draw the zaitsev product(s) resulting from elimination involving c3–c4 (i. e., the carbon atoms depicted with stereobonds). show the product stereochemistry clearly. if there is more than one organic product, both products may be drawn in the same box. ignore elimination involving c3 or c4 and any carbon atom other than c4 or c3.

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?