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.
Isotopes are atoms with the same number of protons but that have a different number of neutrons. Since the atomic number is equal to the number of protons and the atomic mass is the sum of protons and neutrons, we can also say that isotopes are elements with the same atomic number but different mass numbers.