Multi-coloured, showing solids, liquids, gases in separate distinctive colours with symbols & names,density,atomic radii,melting points,boiling points,atomic numbers, atomic weights, electronic structure, crystal structure, valency, ionisation potential, electro-negativity etc. Information about 105 elements is given. Size 140 x 100 cm, mounted, with rollers
Author: admin
Periodic Tables Of The Elements (white Polyart) ( CH 877 )
PERISCOPE – GUPTA BRAND 8006160
To show principle of reflection, with two plane mirrors fixed at 45°, overall size 250 x 45 x 45 mm, polished wood