The solubility of a solute is the largest amount of solute that can dissolve in a certain quantity of
the quick answer is the very first row. the first row contains the elements that have at most 2 electrons on the only energy level they have.
chicxulub. it's the most famous cataclysm ever, the meteorite that probably snuffed out the dinosaurs (along with three-quarters of all life on earth) when it smashed into our planet 65 million years ago. the crater it left behind is actually one of the youngest and most accessible in the solar system.