Q The substance water, H 2 O , is answer choices an element made of three atoms, 2 hydrogen and 1 oxygen a solution made of two compounds, 2 hydrogen and 1 oxygen an atom made of two compounds, 2 hydrogen and 1 oxygen a molecule made of three atoms, 2 hydrogen and 1 oxygen s Question 18Other models of the atom (ESAAT) Although the most commonly used model of the atom is the Bohr model, scientists are still developing new and improved theories on what the atom looks like One of the most important contributions to atomic theory (the field of science that looks at atoms) was the development of quantum theoryDiagram of an oxygen atom with nucleus and inner and outer shells Protons, neutrons, and electrons are labeled Oxygen atom with proton, neutron and electron, 3D Bohr model Structure Of A Trehalose Molecule And Its Atomic Labels Used In Epsr Download Scientific Diagram Model of an oxygen atom labeled