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.
How to Caulk a Bathroom Sink. Drop-in sinks are made to hang from the top of a counter by their rims. While these rims appear to sit flush to the counter, there is actually a small gap between the rim and counter where water and debris can collect.Caulk fills this gap to make your counter and sink watertight, while helping to eliminate any movement of the rim of the sink.To help prevent leaks or damage to your counter, seal and fill this gap with waterproof caulk whenever the old caulk begins to crack, discolor or peel. Ad.aulk fills this gap to make your counter and sink watertight, while helping to eliminate any movement of the rim of the sink. To help prevent leaks or damage to your counter, seal and fill this gap with waterproof caulk whenever the old caulk begins to crack, discolor or peel. Ad.