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Redox and the Goddess of Beauty—Chemical Demonstration Kit

By: Jim and Julie Ealy, Retired, The Peddie School, Hightstown, NJ

Redox and the Goddess of Beauty Oxidation-Reduction Chemical Demonstration Kit
vanadis, vanadium, vanadate solution, metavanadate
oxidation, oxidation-reduction, reduction, oxidation state
Redox and the Goddess of Beauty Oxidation-Reduction Chemical Demonstration Kit
vanadis, vanadium, vanadate solution, metavanadate
oxidation, oxidation-reduction, reduction, oxidation state
Item #: AP8472 

Price: $53.63

In Stock.

In the Redox and the Goddess of Beauty Oxidation–Reduction Chemical Demonstration Kit, a vanadate solution goes through color changes. Vanadium is named after the Goddess of Beauty, Vanadis, and truly lives up to its name in this demonstration.

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Resources

Product Details

Because of its beautiful multicolored compounds, vanadium, atomic number 23, was named after the Scandinavian Goddess of Beauty, Vanadis. In this demonstration, a yellow vanadate solution goes through a series of color changes when shaken together with granulated zinc. Each color change is due to a change in the oxidation state of the vanadium. Vanadium truly lives up to its name in this demonstration! Teacher Demonstration Notes included.

Concepts: Oxidation–reduction, properties of vanadium.
Time Required: 20 minutes

Specifications

Materials Included in Kit:
Ammonium metavanadate solution, 1 L
Hydrogen peroxide solution, 6%, 100 mL
Zinc granular, 50 g


Correlation to Next Generation Science Standards (NGSS)†

Science & Engineering Practices

Asking questions and defining problems
Planning and carrying out investigations
Analyzing and interpreting data
Engaging in argument from evidence
Obtaining, evaluation, and communicating information

Disciplinary Core Ideas

MS-PS1.B: Chemical Reactions
MS-PS1.A: Structure and Properties of Matter
HS-PS1.A: Structure and Properties of Matter
HS-PS1.B: Chemical Reactions

Crosscutting Concepts

Cause and effect
Patterns

Performance Expectations

MS-PS1-2. Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
MS-PS1-1. Develop models to describe the atomic composition of simple molecules and extended structures.
HS-PS1-1. Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.
HS-PS1-2. Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.