12 Results for: "(+)-valence"

Supplier: KELLER BROS. & MILLER, INC.

Developed by Teacher James Ross, the Core-Valence-Radius Periodic Table is a new type of periodic table designed to make learning chemistry a more intuitive process. Each element is represented by a nucleus (core), a valence shell, and an electronegativity value.

Supplier: RYLER ENTERPRISES, INC.

Model the Theory of Valence Shell Electron Pair Repulsion

Supplier: CHEMetrics

CHEMetrics’ Manganese water test kits employ the periodate chemistry that measures soluble manganese compounds but does not differentiate the various valence states.

Supplier: Thermo Scientific

Porous Graphitic Carbon (PGC) is a unique stationary phase composed of flat sheets of hexagonally arranged carbon atoms with a satisfied valence, as in a very large polynuclear aromatic molecule.

Supplier: Thermo Scientific

Porous Graphitic Carbon (PGC) is a unique stationary phase composed of flat sheets of hexagonally arranged carbon atoms with a satisfied valence, as in a very large polynuclear aromatic molecule.

Supplier: SI Manufacturing

Includes Four Blank Write-and-Wipe Cards

Supplier: Avantor

Colorful, Hardwood Cubes that Teach the Basics of Chemistry

Supplier: Lab-Aids

Understand Electron and Atom Characteristics

Supplier: SI Manufacturing

Break Down the Periodic table, Build Up Element Knowledge

Supplier: Kemtec

Introduce Chemical Equations Involving Single and Double Replacement Reactions

Supplier: New England Biolabs (NEB)

The Ph.D. Peptide ligands for a variety of targets can then be selected by the straightforward method of panning.

Supplier: OSAW INDUSTRIAL PRODUCTS SE

This apparatus is used to study the current Vs voltage characteristics of CdS photo-resistor at constant irradiance and to measure the photo-current.