a short way to represent the electron structure of an atom.
a solution to which a little acid has been added to a lot of water.
the part of the atmosphere that extends to a height of 10 km above the surface of the Earth.
an ion that does not take part in the reaction but is present in the reaction mixture throughout...
calculating the mass of a substance, given the mass of a reactant or product.
a solution to which a little base has been added to a lot of water.