Dynamometer, High Resolution, made of acrylic and aluminum is a great tool for accurately assessing the weight of an object in both grams and Newton's, It has easy to read markings and is very user-friendly, Size: 2Kg/20N, 15 length, 0.2 weight, 11 width, 1 height
Orbit Hydrogen atom, Hb, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, Hydrogen bond, Color: White