Lewis structure Set, Help students determine the types of bonds in a substance, draw Lewis structures, and construct models of molecules, Chemists find the use of models helpful to construct Lewis structures and study covalent bonding
Model, Wild Mustard Flower (Sinapis arvenis), Enlarged 12x life-size, 3-part, Family: Brassicaceae, The sepals and petals standing in two whorled circles form a cross-shape, leading to the former Cruciferous, Dimensions: 13 x 13 x 14 in, weight: 0.3 kg
Model, Lesser Celandine Flower (Ficaria verna), Enlarged 10x life-size, 1-part, Family: Ranunculaceae, The family of Ranunculaceae depicts an ancient flower structure. Also known as both the buttercup or crowfoot family, Dimensions: 39 cm, weight: 1.1 kg
Model Respiratory Organ, unbreakable life-size model is distinctively colored to illustrate anatomical detail. Includes diaphragm, aorta origins of five abdominal arteries, three thoracic and lumbar vertebrae, sectioned left lung, Dimension: 16x9x71/2 in