Ключевые слова: art, artwork, atom, atom model, atoms, bead, biology, black, bond, carbon, carbon molecule, chemical, chemistry, circle, connect, connecting, connection, diagram, dna, education, element, form, fragment, geometric, group, hydrocarbon, hydrogen, laboratory, model, molecular, molecule, molecule model, network, organic, oxygen, plastic, red, ring, round, school, science, shape, silo, still, symbol, technology, together, university, visual, white,