2) Is an atom with 26 protons and 30 neutrons an element or an isotope?*
Element
O Isotope

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.