Scientists currently use radioactive isotopes in various field. Some radioactive isotopes are used to . •power iasers

•develop new antibiotics

•clone organisms

•date ancient bones

Drive down any three characteristic of modern periodic table

You have a sample of a gas that occupies a volume of 17ml at -111 degrees celsius. what volume does the sample occupy at 88 degrees celsius? show all work asap

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.