1 Consider the first atom of each part of the molecule. An atom with higher atomic number has higher priority. (e.g. I > Cl > C > H)  If the first atom of two groups is the same, consider the second atom(s) in the same way as the first. (e.g. -C(CH3)3 > -CH(CH3)2 > -CH2CH3 > -CH3).
1 You can also use a toilet plunger on your bathroom sink. 2  Fill up the sink with water first, the use the plunger vigorously on the drain just as you would a toilet. 3  This will lift and agitate any blockage in the drain. It will smell a bit like vinegar for about a day. 2  You can also use a toilet plunger on your bathroom sink. 3  Fill up the sink with water first, the use the plunger vigorously on the drain just as you would a toilet.
Pouring vinegar and baking soda down the drain disinfects it. Mildew grows in dark, dank places, and sink pipes provide an ideal habitat for mildew spores to spread. The growth can contribute to clogged drains and release a foul odor into your kitchen or bathroom.our 1 cup of distilled white vinegar down the funnel. Quickly pull the funnel out. The vinegar's reaction with the baking soda creates a frothy, mildly abrasive compound that cleanses the pipe.