ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
- Function and Applications:
This molecular model construction kit for students is appropriate to the chemistry classes for inorganics and organics.
- Benefits:
The kit contains all needed elements and connections for ball-and-stick models of organic and inorganic standard molecules.
The models are easy to assemble and disassemble.
They are characterised by high quality and durability.
The kit is delivered in a plastic case, which enables a clear and comfortable storage.
Every part is extreme robust and colored according to international standards.
- Equipment and technical data:
Diameters of the hydrogen balls are approx. 17 mm, of carbon and most of the other: approx. 23 mm
Content:
42 black balls (Carbon)
64 white balls (Hydrogen)
16 red balls (Oxygen)
12 blue balls (Nitrogen
12 yellow balls (Sulphur)
5 orange balls (Phosphorus)
12 green balls (Halogen)
3 light-gray ball (Metal)
2 special balls
40 Connectors, medium
12 Connectors, long (flexible)
140 Connectors, short
