[Free Registration/Login may be required to access all resource tools.] Describes research on the proton and the determination of the weight of proton and electron.

[Free Registration/Login may be required to access all resource tools.] Protons and how they relate to elements, and what protons are made of.

Home page for NAPT; from here go to "Proton Facts", "Proton Q&A", "How It Works". A fund of info about current state of proton therapy. A good number of pix.

This is a ten-question quiz pertaining to proton nuclear magnetic resonance.

Read the passage "Proton Beam Therapy: Particle Accelerators in Medicine," and complete the related five-question quiz.

Wikipedia offers information on the proton, a subatomic particle with a positive electric charge. Many hyperlinked terms.

[Free Registration/Login may be required to access all resource tools.] Protons and how they relate to elements, and what protons are made of.

This page provides a concise explanation of why acids are called proton donors.

A video and a short quiz on the parts of an atom, the periodic table, and molecules.

This lesson will explain that protons are positively charged particles having a mass of one amu and are found in the nucleus of the atom. It is 2 of 3 in the series titled "Subatomic Particles: The Proton."

An interesting and useful tool to practice recognition/calculation of atomic number, mass, and number of neutrons, electrons, etc. Can be used with all elements.

Resource shows the relationships bewteen terms such as atomic number, protons, and isotopes. Simple pictures of atoms help.

A look at the reaction that fuels the Sun with this diagram of the nuclear fusion process.

In this activity, students will review and investigate the stability of the nucleus of various elements and determine factors that affect that stability. Students will get an understanding of why certain nuclei are unstable and what type...

Acting as an overview from the General Chemistry Virtual Textbook, this site explores acids and bases and various topics connected to them, including electron pairs, proton donors, proton acceptors, acid-base reactions, and more.

Learn how to read the periodic table of elements as you solve these Math questions about the number of protons, neutrons, electrons or nucleons in an atom of an element. You can choose how many questions to answer, and how complex they...

This unit covers introductory concepts of mixtures and solutions. Students think about how mixtures and solutions, and atoms and molecules can influence new technologies developed by engineers. The first lesson explores the fundamentals...

In this elementary science activity, students will experiment with static electricity using balloons. After investigating how balloons attract and repel various objects, students will watch a simulation of static electricity to help gain...

Find out if you know enough about atoms to build them. The goal of the activity is to build an atom of a particular element by dragging the correct numbers of neutrons, protons and electrons into the atom.

Build elements and molecules using neutrons, protons, and electrons. Choices include helium, carbon, oxygen, aluminum, water, and salt.

At four points in the Large Hadron Collider, experiments will take place, which will investigate proton collisions. Find easy-to-understand explanations of the four main experiments, known as ALICE, ATLAS, CMS, and LHCb.

[Free Registration/Login Required] Build your own helium atom and make sure it has the correct number of protons, electrons, and neutrons on this site. Site also includes a small quiz on the topic.

A video tutorial introducing the pH scale as a representation of the concentration of protons. [4:45]

Learn what atomic number is, and what happens if the numbers of protons in an atom changes.