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OpenStem
@openstem · Joined Jul 2026
7420 public items8 groups
QuizChemistry
3 QUESTIONS
Chemistry · L2 · Atoms, Molecules, and Elements
Chemistry · L2 · Atoms, Molecules, and ElementsQuizChemistry
3 QUESTIONS
Chemistry · L2 · Physical and Chemical Changes
Chemistry · L2 · Physical and Chemical ChangesQuizChemistry
6 QUESTIONS
Chemistry · L2 · Periodic Table Basics
Chemistry · L2 · Periodic Table BasicsQuizChemistry
5 QUESTIONS
Chemistry · L2 · Acids, Bases & the pH Scale
Chemistry · L2 · Acids, Bases & the pH ScaleQuizChemistry
6 QUESTIONS
Chemistry · L2 · Chemical Reactions & Word Equations
Chemistry · L2 · Chemical Reactions & Word EquationsQuizChemistry
6 QUESTIONS
Chemistry · L2 · Metals and Reactivity
Chemistry · L2 · Metals and ReactivityQuizChemistry
5 QUESTIONS
Chemistry · L2 · Elements, Compounds & Chemical Formulae
Chemistry · L2 · Elements, Compounds & Chemical FormulaeQuizChemistry
5 QUESTIONS
Chemistry · L2 · Solubility and Solutions
Chemistry · L2 · Solubility and SolutionsQuizChemistry
5 QUESTIONS
Chemistry · L2 · Crystals and Crystallization
Chemistry · L2 · Crystals and CrystallizationQuizChemistry
5 QUESTIONS
Chemistry · L2 · Polymers and Plastics
Chemistry · L2 · Polymers and PlasticsQuizChemistry
5 QUESTIONS
Chemistry · L2 · Chemical Safety and Hazard Symbols
Chemistry · L2 · Chemical Safety and Hazard SymbolsQuizChemistry
5 QUESTIONS
Chemistry · L2 · Energy in Chemical Reactions
Chemistry · L2 · Energy in Chemical ReactionsQuizChemistry
6 QUESTIONS
Chemistry · L2 · Metals Reacting with Acids
Chemistry · L2 · Metals Reacting with AcidsQuizChemistry
5 QUESTIONS
Chemistry · L2 · Protecting Metal Structures
Chemistry · L2 · Protecting Metal StructuresQuizChemistry
6 QUESTIONS
Chemistry · L2 · Energy in the Water Cycle
Chemistry · L2 · Energy in the Water CycleQuizChemistry
6 QUESTIONS
Chemistry · L2 · Alloys — Mixing Metals for a Purpose
Chemistry · L2 · Alloys — Mixing Metals for a PurposeQuizChemistry
6 QUESTIONS
Chemistry · L2 · Energy Stored in Chemical Bonds
Chemistry · L2 · Energy Stored in Chemical BondsQuizChemistry
5 QUESTIONS
Chemistry · L2 · Natural pH Indicators
Chemistry · L2 · Natural pH IndicatorsQuizChemistry
6 QUESTIONS
Chemistry · L2 · Gas Pressure — the Particle Picture
Chemistry · L2 · Gas Pressure — the Particle PictureQuizChemistry
6 QUESTIONS
Chemistry · L2 · What Comes Out of a Flame
Chemistry · L2 · What Comes Out of a FlameQuizChemistry
6 QUESTIONS
Chemistry · L2 · Treating Water for Drinking
Chemistry · L2 · Treating Water for DrinkingQuizChemistry
6 QUESTIONS