In chemistry, when given or creating a dot structure, how can you tell if it has single, double, triple, ionic, or coordinate covalent bonds? a detailed answer would be appreciated!

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Define dew point. i am writing this part to be able to ask the question

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering