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.
Pros of the 1-Piece Bathroom Sink Countertop Seamless construction and ease of installation are the primary reasons to install a 1-piece bathroom sink countertop. Dust, soap scum, and grime are easily cleaned and cannot accumulate in any overlaps or molded edges around the sink. You can install the combined sink and countertop quickly and easily. Simply attach it to your existing pipes. Beautiful and durable materials are used for 1-piece bathroom sink countertops. They include granite and other natural stones, and solid man-made materials such as Corian. These materials clean easily and resist stains and scratches. Cons to Consider. The materials used for 1-piece countertop sinks are much more expensive than conventional tile and porcelain.