When a substance goes from being a liquid to a gas it evaporates, or boils away. Think of boiled eggs.
A chemical bond is <span> lasting attraction between atoms that enables the formation of </span>chemical <span>compounds. </span>
Because going down a column you are jumping up to the next higher main energy level (n) and each energy level is further out from the nucleus
Bases have a Ph do gretater than 7
They are bitter in taste
They are soapy texture