12. Which atoms or group of atoms make up the functional group of ethanol (CH3CH2OH)? A. the hydroxyl group (-OH)
B. the carbon atoms
C. the ethyl group (CH3CH2-)
D. the hydrogen atoms

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

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?

Drag each pressure unit with the corresponding number to describe standard atmospheric pressure