FOM-622 Elementary Atomic Student Models
FOM-622 Elementary Atomic Student Models Set includes 257 parts -10 models consisting of 10 atoms showing electrons, protons and neutrons and 1 stand. First three are isotopes (neutron is magnetically attached).
Bohr models of ten elements on the periodic table included: Hydrogen (Isotope), Helium (Isotope), Lithium (Isotope), Beryillum, Boron, Carbon, Nitrogen, Oxygen, Fluorine, Neon.
These models allow students to clearly visualize the relationship between atomic weight, atomic number and the numbers of nuclear particles in one atom of that element.
Includes an instructional guide and stand.
Parts:
166 FM-23 Balls, painted with toothpick inserted: Red -55, Blue (56), Yellow (52),
(3) yellow with (3) 1/4" od magnet
(3) 1" balls with (3) 1/4 od magnet,
(6) magnets 1/2" od x 3/16" height.
(10) pieces 1/16" Nylon Rod 18" length ea,15 feet total for inner shell electron rings - glued to red balls with epoxy only at ends of string to close circle
(8) pieces 3/32" Nylon Rod 24" length ea, 16 feet total for outer shell electron rings - glued to red balls with epoxy only at ends of string to close circle
(29) pieces #22 Solid wire with black plastic insulation: 6" (2), 8" (15), 10" (2), 12" (10)
(23) plastic bags for neclei and rings
(2) dowel rod for neon stand assembly
(1) stand wood
Additional stands available separately FOM-611
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