And in âwetâ areas such as the kitchen and bathrooms a semi-gloss is ideal. Now a low sheen paint can be used in bathrooms and kitchens to maintain consistency throughout the home. Some paints are both interior and exterior, these tend to be your middle of the line paints.
Noun. 1. isotope-one of two or more atoms with the same atomic number but with different numbers of neutrons. atom - (physics and chemistry) the smallest component of an element having the chemical properties of the element. radioisotope-a radioactive isotope of an element; produced either naturally or artificially.
An isotope is a variant on an element that has a different atomic weight from other variants. Except for the commonest form of hydrogen â which has only a proton â every atomic nucleus in normal matter is made of both protons and neutrons.oo many neutrons can also make an isotope unstable. For example, the commonest form of hydrogen has one proton and no neutrons, but there are two other forms, with one and two neutrons, called deuterium and tritium, respectively.