Curated OER
Answers for Elements and Compounds Crossword Puzzle
In this chemistry worksheet, students are provided with the answers to a 28 clue crossword puzzle about elements and compounds.
Curated OER
Chemistry 1A Review
In this Chemistry 1A worksheet, students review, molecular weight, solubility, endothermic reactions, and number of protons, neutrons, and electrons for elements. Students review Lewis Structures and how to predict the amount of product...
Curated OER
Elements
In this elements learning exercise, students write the electron configurations for given elements. Students describe ionization energy and electron affinity and the periodic trends for both. This learning exercise has 20 short answer...
Curated OER
Proteins Word Search Puzzle
In this biology worksheet, learners look for the words in the puzzle that are related to the theme of the word search. Spelling skills are worked on.
Curated OER
Diffusion an Osmosis
In this crossword puzzle worksheet, learners read the clues that relate to diffusion and osmosis. Students then complete the 20 question crossword using the given clues.
Encyclopedia Britannica
Encyclopedia Britannica: Hydrogen Ion
This brief entry describes the hydrogen ion, strictly, as the nucleus of a hydrogen atom separated from its accompanying electron. The hydrogen nucleus is made up of a particle carrying a unit positive electric charge, called a proton.
Chem Tutor
Chemtutor: Overview of P H
The learning resource explores the Chemistry topic of pH. The activity consists of a table that shows the relationship between the hydrogen ion concentration and the hydroxide ion concentration. In addition there is a pH box and...
Sophia Learning
Sophia: Calculating P H
A video tutorial demonstrating how to calculate the pH of a solution given the hydrogen ion concentration. [3:44]
CK-12 Foundation
Ck 12: The P H Concept
[Free Registration/Login may be required to access all resource tools.] In this module, students will define pH and use the hydrogen or hydroxide ion concentrations to calculate the pH of a solution. They will also differentiate among...
City University of New York
P H and Indicators: Interactive Investigation
The story of the dye industry is used to introduce pH and how it is measured and calculated.
Science Buddies
Science Buddies: Project Ideas: Salt Bridge: Electricity Changes P H
This chemistry science fair project uses a very simple experimental setup - a battery hooked up to two solutions, connected by a salt bridge - to explore some complex chemistry. The Science Buddies project ideas are set up consistently...
Khan Academy
Khan Academy: What Is Equivalent?
The equivalent is the amount of a substance which will either react or supply with one mole of hydrogen ions and acid-base reactions or do the same with one mole of electrons in a redox reaction.
![Sophia: Converting Among P H, [H+], P Oh and [Oh ] Unit Plan](https://content.lessonplanet.com/knovation/original/218736-4f79e25d5f5c2bcb250d718e8ac1dcc2.jpg?1661182808 "Sophia: Converting Among P H, [H+], P Oh and [Oh ] Unit Plan")
Sophia Learning
Sophia: Converting Among P H, [H+], P Oh and [Oh ]
This video screencast shows how to convert among pH, [H+], pOH and [OH-], providing several examples. [7:30]
Sophia Learning
Sophia: P H Scale
A video tutorial introducing the pH scale as a representation of the concentration of protons. [4:45]
Chem4kids
Chem4 Kids: Quiz: Acids and Bases
A quiz testing your knowledge of acids and bases. Quiz gives immediate feedback on whether your answer was right or wrong with an explanation.
Quizlet
Quizlet: The Essentials of P H and Sources of H+
This set of flashcards helps students review 56 terms related to pH and the sources of H+.
Other
American Institute of Physics: Proton Transistor Memory
Describes a new use for hydrogen ions (protons, of course). Shows that protons are not just old hat.
University of Southern California
Atomic Bonds
This slide show on atomic bonds contains several slides on electron affinity. Other topics include covalent, Sigma and Pi bonds, and atomic bonding in solids.
CK-12 Foundation
Ck 12: Acid and Base Strength
[Free Registration/Login may be required to access all resource tools.] Help distinguish between degrees of dissociation for strong and weak acids and bases, and then define pH and use the hydrogen or hydroxide ion concentrations to...
CK-12 Foundation
Ck 12: Salt Solutions
[Free Registration/Login may be required to access all resource tools.] Students begin by predicting whether a salt solution is acidic, basic, or neutral, and then practice writing balanced equations for hydrolysis reactions. They also...
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: P H and Equilibrium
Learn where acids and bases fall on the pH scale and the correlation between hydrogen and hydroxide ions. See many examples of how to calculate the pH of a substance. Also find links to the chemistry textbook and tutorials.
OpenStax
Open Stax: Chemical Bonds
Learn here about chemical bonds, a weak or strong electrical attraction that holds atoms in the same vicinity.
Crescent Public Schools
The Internet Science Room: P H and the P H Scale
A chemistry tutorial which explains pH and the pH scale. There are also opportunities for students to do some calculation practice.
Nine Planets
The Nine Planets: Comets
A detailed description of comets, their distinct parts, and the known comets in our solar system. Links are also provided for additional information on related subjects.